1. Strain type insulator arc used where the conductors arc
(A) dead ended
(B) at intermediate anchor towers
(C) any of the above
(D) none of the above.
2. Conductors for high voltage transmission lines are suspended from towers
(A) to reduce clearance from ground
(B) to increase clearance from ground
(C) to reduce wind and snow loads
(D) to take care of extension in length during summer.

 3. Boosters are basically
(A) inductors
(B) capacitors
(C) transformers
(D) synchronous motors.

 4. Which of the following is not the distribution system normally used
(A) 3 phase-4 wire
(B) 3 phase-3 wire
(C) Single phase - 3 wire
(D) Single phase -4 wire.

 5. Skin effect results in
(A) reduced effective resistance but increased effective internal reactance of the conductor
(B) increased effective resistance but reduced effective internal reactance of. the conductor
(C) reduced effective resistance as well as effective internal reactance
(D) increased effective resistance as well as effective internal reactance.


1. The transfer function technique is considered as inadequate under which of the
following conditions ? (a) Systems having complexities and non-linearities
(b) Systems having stability problems
(c) Systems having multiple input dis¬turbances
(d) All of the above
Answer:(d) All of the above
2. In order to increase the damping of a badly underdamped system which of followincompensators may be used ?
(a) Phase-lag
(b) Phase-lead
(c) Both (a) and (b)
(d) Either (a) and (b)
Answer: (b) Phase-lead

3. Which of the following is the best method for determining the stability and transient
response ?
(a) Nyquist plot
(b) Bode plot
(c) Root locus
(d) None of the above
Answer: (c) Root locus

4. The type 2 system has at the origin.
(a) no net pole
(b) net pole
(c) simple pole
(d) two poles
Answer: (d) two poles

5. In a system low friction co-efficient facilitates
(a) increased speed of response
(b) increased velocity lag error
(c) reduced velocity lag error
(d) reduced time constant of the system
Answer: (c) reduced velocity lag error

6. From which of the following transfer function can be obtained ?
(a) Analogous table
(b) Signal flow graph
(c) Output-input ratio
(d) Standard block system
(e) None of the above
Answer: (b) Signal flow graph

7. In thermal-electrical analogy charge is considered analogous to
(a) temperature
(b) reciprocal of heat flow
(c) reciprocal of temperature
(d) heat flow
(e) none of the above
Answer: (a) temperature

8. Transfer function of a system is used to calculate which of the following ?
(a) The order of the system
(b) The time constant
(C) temperature
(d) The steady state gain
Answer: (C) temperature

9. increases the steady state accuracy.
(a) Integrator
(b) Differentiator
(c) Phase lead compensator
(d) Phase lag compensator
Answer: (a) Integrator

10. In an automatic control system which of the following elements is not used ?
(a) Error detector
(b) Oscillator
(c) Sensor
(d) Final control element
Answer: (b) Oscillator


1. A car is running at a constant speed of 50 km/h, which of the following is the feedback
element for the driver ?
(a) Clutch
(b) Eyes
(c) Needle of the speedometer
(d) Steering wheel
(e) None of the above
Ans: c

2. Which of the following is exhibited by Root locus diagrams ?
(a) The poles of the transfer function for a set of parameter values
(b) The bandwidth of the system
(c) The response of a system to a step input
(d) The frequency response of a system
(e) None of the above
Ans: a

3. With feed back _____ reduces.
(a) system stability
(6) system gain


1. An antilog amplifier has a ________ in series with the input.
B) diode
C) diode or BJT
D) resistor*

Answer:D) resistor

2. A basic ________ amplifier is formed by three op-amps and seven resistors
A) instrumentation
B) isolation
C) log *
D) Antilog

Answer:C) log 

3.A 311 IC is an example of an eight-pin DIP that can be made to function as a ________.
A) comparator
B) 555 timer


1. A constant-current source delivers a load current that
A) remains constant when the load resistance changes 
B) varies with load resistance
C) varies inversely with load resistance
D) varies inversely with input voltage

Answer: D) varies inversely with input voltage

2. The voltage gain of a basic instrumentation amplifier is set by a(n)
A) diode. 
B) capacitor
C) resistor 
D) inductor

Answer:C) resistor 

3. What is (are) the level(s) of the input voltage to a ladder-network conversion?
A) 0 
B) Vref
C) 0 V or Vref 
D) None of the above

Answer:A) 0 

4. Circuits that shift the dc level of a signal are called
A) limiters 
B) clampers


1. An isohyet is a line joining points of
(A) equal temperature
(B) equal humidity
(C) Equal evaporation
(D) equal rainfall depth

Answer: (D) equal rainfall depth

2. The creep strains are
(A) caused due to dead loads only
(B) caused due to live loads only
(C) caused due to cyclic loads only
(D) independent of loads

3. The latitude and departure of a line AB are +78 m and -45.1 m, respectively. The whole circle
bearing of the line AB is:
(A) 30°
(B) 55°
(C) 220°


1. The presence of excess alumina in the clay is reflected in the bricks as
 (1) Makes the bricks brittle and weak
 (2) Makes the bricks crack warp on drying
 (3) Changes the colour of the brick from red to yellow
 (4) Improves impermeability and durability of the brick
Answer: (1) Makes the bricks brittle and weak

2. The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is
called as
 (1) Passometer
 (2) Pedometer
 (3) Odometer
 (4) Speedometer
Answer: (3) Odometer

3. The value of the stress induced in a body, when it is suddenly loaded, is ________ times the stress induced when the same load is applied gradually.
 (1) Equal to zero
 (2) One half