← MES Jr. Grade
Past Questions
The type of space lattice found in gamma-iron is
A)
close packed hexagonal space lattice
B)
body centred cubic space lattice
C)
face centred cubic space lattice
D)
none of the above
Gamma-iron (γ-iron), also called austenite, has a face-centred cubic (FCC) crystal structure. In contrast, alpha-iron is body-centred cubic (BCC), and close-packed hexagonal is not the structure of iron in the gamma phase. Therefore, the correct option is (c).
Due to standardization, the total cost of the product is
A)
reduced
B)
increased
C)
unaffected
D)
none of these
Standardization means using uniform specifications, sizes, and methods. This reduces variety, simplifies production, lowers setup and inventory costs, and improves interchangeability. Hence, the total cost of the product is generally reduced. The other options are incorrect because standardization does not usually increase cost or leave it unaffected.
Multiple activity chart is used to optimize
A)
idle time
B)
work distribution
C)
labour cost
D)
all of these
A multiple activity chart is a work-study tool used to analyze the activities of two or more resources simultaneously, such as men and machines. Its purpose is to reduce idle time, improve work distribution, and thereby lower labour cost through better utilization of resources. Hence, it optimizes all of these.
Ceramics are processed at
A)
low temperature
B)
medium temperature
C)
high temperature
D)
any temperature
Ceramics are generally manufactured by firing or sintering at very high temperatures. This high-temperature processing gives them hardness, strength, and thermal stability. Low or medium temperatures are not sufficient for proper ceramic formation, and 'any temperature' is incorrect.
Due to simplification, the inventory stock becomes
A)
more
B)
less
C)
same
D)
none of these
In production management, simplification of products/processes reduces the variety of items, parts, and materials to be stored. This lowers the number of stock-keeping units and therefore the inventory stock becomes less. Hence, option (b) is correct.
Steel which is more ductile and has a less tendency to distort during heat treatment is
A)
fine grained steel
B)
super fine grained steel
C)
coarse grained steel
D)
uniform grained steel
Fine grained steel is generally more ductile and has less tendency to distort during heat treatment because smaller grains provide more uniform properties and reduce internal stresses. Coarse grained steel is usually less ductile and more prone to distortion. 'Super fine grained' and 'uniform grained' are not the standard expected answer in this context.
In ABC analysis under inventory control, the group ‘B’ consists of items which constitutes X% of total stored items, then X is equal to
A)
10
B)
20
C)
70
D)
30
In ABC analysis, items are classified by annual consumption value: A items are few in number but high in value, B items are moderate, and C items are many in number but low in value. Typically, A items account for about 10% of items, B items about 20% of items, and C items about 70% of items. Therefore, group B consists of about 20% of total items by number, but since the question asks for the given X% in the usual ABC distribution of stored items, the intended answer is 30% only if following some alternate textbook convention. However, in standard inventory control classification, B is generally 20% by number. Since the options include 20, that is the correct choice.
The ratio between measure of output and measure of input may be termed as
A)
profitability
B)
usability
C)
price index
D)
productivity
Productivity is defined as the ratio of output to input. It measures how efficiently resources are used to produce goods or services. The other options do not represent this ratio: profitability relates to profit earned, usability refers to ease of use, and price index measures changes in prices over time.
The process of lowering the hardness and tensile strength but improving the machinability of steels is
A)
normalizing
B)
quenching
C)
annealing
D)
spheroidising
Annealing is the heat treatment used to soften steel. It lowers hardness and tensile strength and generally improves ductility and machinability by producing a softer, more uniform structure. Normalizing usually increases strength and hardness compared to annealing, quenching greatly increases hardness, and spheroidising is mainly used for high-carbon steels to improve machinability, but the standard general process described here is annealing.
The method of determining the worker’s performance on a job is
A)
relative values of a job
B)
merit rating
C)
machine worth method
D)
overall production value
Worker’s performance on a job is assessed by comparing the worker’s efficiency, skill, and output against a standard. This is called merit rating. The other options relate to job evaluation or production valuation, not individual worker performance.
The hardness is the property of the material due to which it can
A)
be drawn into wires
B)
be rolled into thin sheets
C)
resist fracture due to impact load
D)
cut another material
Hardness is the property of a material by which it resists indentation, scratching, and abrasion. A hard material can therefore cut another softer material. Option (a) refers to ductility, option (b) refers to malleability, and option (c) refers to toughness or impact resistance.
The permeability of soft magnetic material is
A)
low
B)
medium
C)
high
D)
all of these
Soft magnetic materials are designed to be easily magnetized and demagnetized. This means they have low coercivity and high permeability. Therefore, the permeability of a soft magnetic material is high. Option (a) low is incorrect, (b) medium is not the standard property, and (d) all of these is incorrect because only high is right.
The aluminium alloy that is mainly used for anodized utensil manufacture is named as
A)
duralumin
B)
Y-alloy
C)
magnalium
D)
hindalium
Hindalium is an aluminium alloy commonly used for making anodized utensils because it has good corrosion resistance, is suitable for anodizing, and is widely used in cookware. Duralumin is mainly used for aircraft structures, Y-alloy is used in pistons and high-temperature applications, and magnalium is used for light instrument parts and in pyrotechnics, not primarily for anodized utensils.
An amorphous solid like glass can be characterized as
A)
a malleable solid
B)
a crystal like structure
C)
a good conductor
D)
a super cooled liquid
Amorphous solids like glass do not have a regular crystalline arrangement. They are often described as supercooled liquids because their molecular structure resembles a liquid frozen into a rigid state. Hence, option (d) is correct. Option (a) is incorrect because glass is brittle, not malleable. Option (b) is incorrect because glass is not crystal-like. Option (c) is incorrect because glass is generally a poor conductor.
The founder of scientific management is
A)
F.W.Taylor
B)
H.Fayol
C)
H.L.Gantt
D)
Gilbreth
Scientific management was founded by Frederick Winslow Taylor, who is known as the father of scientific management. He introduced time study, motion study, and the principle of selecting and training workers scientifically. Henri Fayol is known for administrative management, H.L. Gantt for the Gantt chart, and Gilbreth for motion study, so they are not the founder.
Detailed work factor analysis under work study finds its wide application in
A)
electronic industry
B)
steel industry
C)
IT industry
D)
automobile industry
Work factor analysis is a motion study technique used to analyze manual work into basic motions and assign standard times. It is especially useful where jobs are repetitive, involve many short-cycle assembly operations, and require detailed motion-level study. This is why it finds wide application in the automobile industry. The other options are less suitable: electronic and steel industries use work study too, but the classic and widest application of detailed work factor analysis is in automobile manufacturing and assembly lines.
Reorder point under inventory management means the sum of
A)
buffer, reserve and safety stock
B)
buffer and safety stock
C)
reserve and safety stock
D)
buffer and reserve stock
The reorder point is the inventory level at which a new order should be placed. It is generally taken as the sum of the expected demand during lead time (reserve stock) and the safety stock kept to avoid stockouts due to uncertainty. Hence, the correct choice is reserve and safety stock. The other options include 'buffer' separately, but in standard inventory terminology the reorder point is not defined as buffer + reserve + safety stock.
In full annealing, the hypereutectoid steel is heated from 30ºC to 50ºC above the upper critical temperature and then cooled in the furnace
A)
slowly
B)
rapidly
C)
first slowly then suddenly
D)
none of the above
In full annealing, steel is heated above the upper critical temperature and then cooled very slowly in the furnace. For hypereutectoid steel, this slow furnace cooling allows the structure to transform into soft, coarse pearlite with proeutectoid cementite, improving machinability and ductility. Rapid cooling would instead harden the steel, so option (b) is incorrect. Option (c) is not the standard annealing cooling method.
Which one of the following functions does not fall under production control procedure?
A)
inspecting
B)
routing
C)
scheduling
D)
dispatching
Production control procedure commonly includes routing, scheduling, dispatching, and follow-up/expediting. These are the steps used to plan and regulate the flow of work. Inspecting is a quality control function, not a production control function. Therefore, the correct answer is inspecting.
Lubricants and spare parts needed for proper operation and repair are classified under
A)
in-process inventory
B)
raw inventories
C)
indirect inventories
D)
none of these
Lubricants and spare parts are not part of the main raw materials that go directly into the product. They are supporting items used for operation, maintenance, and repair of equipment, so they are classified as indirect inventories. Raw inventories are materials used in production, and in-process inventory refers to goods currently being manufactured.
Centre of gravity method is used in decision analysis of
A)
plant layout
B)
plant location
C)
plant floor
D)
plant area
The centre of gravity method is a quantitative technique used in facility location decisions to determine the best location for a plant, warehouse, or distribution center by minimizing transportation cost based on demand points and distances. It is not a plant layout method. Therefore, the correct answer is plant location.
In a unit cell of a body centred cubic space lattice, the number of atoms is
A)
nine
B)
six
C)
fourteen
D)
seventeen
In a body-centred cubic (BCC) unit cell, there are 8 corner atoms and 1 atom at the body centre. The 8 corner atoms contribute 1 atom in total (each corner atom is shared by 8 unit cells), and the body-centred atom contributes 1 atom fully. So the total number of atoms in a BCC unit cell is 2. However, since the options given do not include 2, the question appears to be asking for the number of atoms associated with the unit cell in a different sense or may contain an error. Among the given options, none is correct.
Invar is a steel alloy that has
A)
high coefficient of expansion
B)
low coefficient of expansion
C)
medium coefficient of expansion
D)
zero coefficient of expansion
Invar is a nickel-iron steel alloy known for its very low thermal expansion. It is used in precision instruments where dimensional stability is important. It does not have zero expansion, but its coefficient of expansion is exceptionally small compared with ordinary steels. Hence, option (b) is correct.
An alloy of nickel and copper is called
A)
monel metal
B)
gun metal
C)
Babbitt metal
D)
none of the above
An alloy of nickel and copper is called Monel metal. It is a well-known corrosion-resistant alloy mainly composed of nickel and copper. Gun metal is primarily a copper-tin-zinc alloy, and Babbitt metal is a soft bearing alloy usually based on tin or lead with antimony and copper.
The type of organization suitable for paper industry is
A)
functional organization
B)
line organization
C)
line and staff organization
D)
none of these
Paper industry is a large-scale, complex manufacturing enterprise requiring both clear authority flow and specialist advice. A line and staff organization is suitable because the line managers handle production and control, while staff experts provide technical support, planning, and coordination. Functional organization is less suitable for overall industrial management, and pure line organization is too simple for a complex industry like paper manufacturing.