Departmental (other) • Engineering Paper-II
The circuit shown (RC circuit with C in series and R in parallel to output) is
A)
integrator
B)
low pass filter
C)
high pass filter
D)
band pass filter
With the stated RC arrangement, the circuit is intended as an integrator.
Departmental (other) • Engineering Paper-II
An essential condition for Ohm’s law to be applicable to a circuit is that
A)
resistance must be at room temperature
B)
voltage should be only DC
C)
the current should flow in forward direction only
D)
the resistance must be uniform
Ohm’s law requires a constant/uniform resistance under unchanged physical conditions.
Departmental (other) • Engineering Paper-II
If Vph, Iph are the phase voltage and current and VL, IL are the line voltages in a star connected system, then
A)
VL=√3 Vph; and IL = Iph
B)
VL=√3 Vph; and IL = √3 Iph
C)
VL= 1/√3 Vph; and IL = Iph
D)
VL= 1/3 Vph; and IL = √3 Iph
In a balanced star connection, VL=√3Vph and IL=Iph.
Departmental (other) • Engineering Paper-II
What is the unit of self-induction (L)?
A)
mho
B)
weber
C)
henry
D)
weber-turn
The SI unit of inductance is the henry.
Departmental (other) • Engineering Paper-II
The specific resistance of a wire depends upon?
A)
its length
B)
its cross-sectional area
C)
its dimension
D)
its material
Resistivity/specific resistance is a material property and does not depend on dimensions.
Departmental (other) • Engineering Paper-II
A motor draws 17A from a 230V AC source. If the motor is 95% efficient, the horsepower rating of the motor is
A)
3.5h.p
B)
4.9h.p
C)
5.5h.p
D)
6.5h.p
Input power is 230×17=3910 W; at 95% efficiency, output is about 3715 W, or approximately 5 hp. Option B (4.9 hp) is the closest.
Departmental (other) • Engineering Paper-II
According to Faraday’s Laws of Electromagnetic Induction, an e.m.f. is induced in a conductor whenever it
A)
lies in a magnetic field
B)
cuts magnetic field
C)
moves parallel to the direction of the magnetic field
D)
lies perpendicular to the magnetic flux
An emf is induced when a conductor cuts magnetic flux or experiences changing flux linkage.
Departmental (other) • Engineering Paper-II
Kirchhoff’s law is applicable to
A)
AC circuits only
B)
DC circuits only
C)
Both AC as well as DC circuits
D)
Passive networks only
Kirchhoff’s laws apply to both AC and DC circuits.
Departmental (other) • Engineering Paper-II
The inductance L of a coil will decrease
A)
when the number of turns N increases
B)
when more area A for each turn is provided
C)
when permeability of the core increases
D)
when more length for the same number of turns is provided
For a coil, L ∝ N²A/l; increasing length while keeping turns fixed decreases inductance.
Departmental (other) • Engineering Paper-II
The unit of capacitance is
A)
Farad
B)
Farad/m
C)
Farad/m²
D)
Farad/m³
Capacitance is measured in farads.
Departmental (other) • Engineering Paper-II
The AC system is preferred to DC system because
A)
AC voltages can be easily changed in magnitude
B)
DC motors do not have fine speed control
C)
High voltage AC transmission is less efficient
D)
DC voltages cannot be used for domestic appliances
AC voltage can be stepped up/down easily with transformers, enabling efficient transmission.
Departmental (other) • Accounts Paper-II
The value accounts of the stores should be maintained in the:
A)
Sub Divisional Office
B)
Respective Circles
C)
Divisional Office
Stores value accounts are maintained in the Divisional Office.
Departmental (other) • Accounts Paper-II
Which is the term that is commonly used to a distinct unit of a work, if that unit is sufficiently large or important to be kept distinct for the purpose of accounts?
A)
Sub Work
B)
Separate Work
C)
Sub Head
D)
Object Head
A distinct, separately identified unit of work may be termed a Sub Work.
Departmental (other) • Accounts Paper-II
Nature of expenditure such as “Salaries” is an example of:
A)
Minor Head
B)
Detailed Head
C)
Major Head — 8782
'Salaries' is a detailed/minor classification under the accounting hierarchy; the supplied options make Detailed Head the intended answer.
Departmental (other) • Accounts Paper-II
Abstract Contingent bill are prepared in:
A)
GAR 30
B)
GAR 32
C)
GAR 31
Abstract Contingent bills are prepared on GAR 31.
Departmental (other) • Accounts Paper-II
The Divisional Officer should count the cash in the hands of cashier:
A)
once in a month
B)
at least once a month
C)
once in a week
Under standard accounts rules, the Divisional Officer should count the cashier’s cash at least once a month.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
High strength concrete is defined purely on the basis of
A)
Tensile strength
B)
Compressive strength
C)
Good Aggregates
D)
Poor Aggregates
High-strength concrete is primarily classified by compressive strength.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
For water supply design of a town or city, the suitable method of estimating future population by the end of the design period is
A)
Increasing rate method
B)
Decreasing rate method
C)
Exponential curve method
D)
Incremental increase method
The incremental increase method incorporates both average increment and changes in increment and is widely used for town population projections.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
Centrifugal pumps dealing with muds have an impeller of the type
A)
Double suction
B)
One -side shrouded
C)
Open
D)
Two-sides shrouded
Open impellers are used for muds and slurries because they tolerate solids better.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
In Rule 7 (19) of the Mizoram Water Supplies (Control) Rules, 2023 defines
A)
Rate of water and other charges
B)
Right of reservation of water sources with the catchment areas for human consumption.
C)
Prohibition of constructions over water mains
D)
Monthly water bills shall be paid to whom undertaking operation and maintenance.
Rule 7(19) addresses the right of reservation of water sources and their catchment areas for human consumption.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
What element is added to water to prevent tooth decay?
A)
Chlorine
B)
Sugar
C)
Fluoride
D)
Nitrate
Fluoride is added to water in controlled amounts to reduce tooth decay.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
For operating point of the pump, a system characteristic between the head required “H’ and the discharge to be maintained ‘Q’ is generally expressed as
A)
Linear equation
B)
Parabolic equation
C)
Exponential equation
D)
Cubic equation
A pump system characteristic is commonly expressed as a parabolic relation H = H0 + KQ².
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
The Mizoram Water Supplies (Control) Rules, 2023 supersedes
A)
The Mizoram Water Supplies (Control) Acts, 2004
B)
The Mizoram Water Supplies (Control) Rules (Amendment), 2011
C)
The Mizoram Water Supplies (Control) Rules, 2006
D)
Decentralization of water Supply and sanitation of rural habitation 2018
The 2023 Mizoram Water Supplies (Control) Rules superseded the 2006 Rules.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
As per IS 296 -1975 initial settling time of ordinary cement is
A)
15 minutes
B)
30 minutes
C)
45 minutes
D)
60 minutes
The initial setting time of ordinary Portland cement is 30 minutes.
Departmental (other) • Engineering Paper-I (Common For Civil, Electrical And Mechanical Engineers)
In which year was the Swachh Bharat Mission launched?
A)
2019
B)
2010
C)
2012
D)
2014
Swachh Bharat Mission was launched in 2014.
