← Legal Metrology

Past Questions

Legal Metrology β€’ Paper-III

Gnatt chart provides information about the

A) material handling
B) proper utilisation of manpower
C) production schedule
D) efficient working of machine
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'production schedule' (Option C).
Legal Metrology β€’ Paper-III

Which of the following milling process is used for machining of irregular shapes?

A) Slab milling
B) Face milling
C) Angular milling
D) Form milling
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Face milling' (Option B).
Legal Metrology β€’ Paper-III

What is the necessary condition for turning?

A) Material of work piece should be harder than the cutting tool
B) Cutting tool should be harder than the material of work piece
C) Hardness of the cutting tool and material of piece should be same
D) None of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Material of work piece should be harder than the cutting tool' (Option A).
Legal Metrology β€’ Paper-III

In which of the following machining manual part programming is done?

A) CNC machining
B) NC machining
C) DNC machining
D) FMS machining
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'CNC machining' (Option A).
Legal Metrology β€’ Paper-III

Mild steel belongs to the following category-

A) Low carbon steel
B) Medium carbon steel
C) High carbon steel
D) Alloy steel
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Medium carbon steel' (Option B).
Legal Metrology β€’ Paper-III

In milling machine, the cutting tool is held in position by

A) Chuck
B) Spindle
C) Arbor
D) Tool holder
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Tool holder' (Option D).
Legal Metrology β€’ Paper-III

The most commonly used criteria for measuring forecast error is-

A) Mean absolute deviation.
B) Mean absolute percentage error
C) Mean standard error.
D) Mean square error
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Mean absolute deviation.' (Option A).
Legal Metrology β€’ Paper-III

Micromotion study is

A) enlarged view of motion study
B) analysis of one stage of motion study
C) minute and detailed motion study
D) subdivision of an operation into therbligs and their analysis
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'enlarged view of motion study' (Option A).
Legal Metrology β€’ Paper-III

An example of amorphous material is

A) zinc
B) lead
C) silver
D) glass
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'glass' (Option D).
Legal Metrology β€’ Paper-III

When 1.0% plain carbon steel is slowly cooled from the molten state to 740Β°C, the resulting structure will contain -

A) Pearlite and cementite
B) Ferrite and cementite
C) Austenite and ferrite
D) Austenite and cementite
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Pearlite and cementite' (Option A).
Legal Metrology β€’ Paper-III

In investment casting the pattern is made of

A) Wood
B) Urea formaldehyde
C) Wax
D) Metal
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Wood' (Option A).
Legal Metrology β€’ Paper-III

The first method invented for planning projects was

A) bar chart method
B) milestone chart
C) critical path method (CPM)
D) programme evaluation and review technique (PERT)
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'programme evaluation and review technique (PERT)' (Option D).
Legal Metrology β€’ Paper-III

In grey cast iron, carbon is present in the form of-

A) Cementite
B) Free carbon
C) Flakes
D) Spheroids
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Cementite' (Option A).
Legal Metrology β€’ Paper-III

In sheet metal blanking, shear is provided on punches and dies so that

A) press load is reduced
B) good cut edge is obtained
C) warping of sheet is minimized
D) cut blanks are straight
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'warping of sheet is minimized' (Option C).
Legal Metrology β€’ Paper-III

In CNC machine tool, the part program entered into the computer memory

A) Can be used only once
B) Can be used again and again
C) Can be used again but it has to be modified every time
D) Cannot say
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Can be used again but it has to be modified every time' (Option C).
Legal Metrology β€’ Paper-III

Which of the following is independent of sales forecast?

A) Productivity
B) inventory control
C) production planning
D) production control
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Productivity' (Option A).
Legal Metrology β€’ Paper-III

Which of the following statements about the basic EOQ model is true?

A) If the ordering cost were to double, the EOQ would rise
B) If annual demand were to double, the EOQ would increase
C) If the carrying cost were to increase, the EOQ would fall
D) All of the above statements are true
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'All of the above statements are true' (Option D).
Legal Metrology β€’ Paper-III

Process layout is employed for

A) batch production
B) continuous type of product
C) effective utilisation of machines
D) all of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'all of these' (Option D).
Legal Metrology β€’ Paper-III

Specify the sequence correctly

A) Grain growth, recrystallisation, stress relief
B) Stress relief, grain growth, recrystallisation
C) Stress relief, recrystallisation grain growth
D) Grain growth, stress relief, recrystallisation
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'Stress relief, recrystallisation grain growth' (Option C).
Legal Metrology β€’ Paper-III

The angle between the face and the flank of the single point cutting tool is known as

A) rake angle
B) clearance angle
C) lip angle
D) point angle
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'clearance angle' (Option B).
Legal Metrology β€’ Paper-III

Material handling and plant location is analysed by

A) Gnatt chart
B) bin chart
C) Emerson chart
D) travel chart
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'travel chart' (Option D).
Legal Metrology β€’ Paper-III

Which of the following cutting tool has highest hot hardness?

A) Ceramics
B) Cast alloys
C) High speed steels
D) Carbon tool steel
Ceramics retain hardness at very high temperatures, giving the highest hot hardness.
Legal Metrology β€’ Paper-III

If there is a 50 percent chance of making Rs 120,000 and a 70 percent chance of losing Rs 150,000, then the expected monetary outcome in Rupees is:

A) 50000
B) -45000
C) 90000
D) -90000
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is '-90000' (Option D).
Legal Metrology β€’ Paper-III

The term β€˜value’ in value engineering refers to

A) total cost of the product
B) selling price of the product
C) utility of the product
D) manufactured cost of the product
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'manufactured cost of the product' (Option D).
Legal Metrology β€’ Paper-III

The linear programming techniques can be applied successfully to industries like

A) iron and steel
B) food processing
C) banking
D) all of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'all of these' (Option D).