- Given that P(A) = 1/4, P(B) = 1/3 and P(AUB) = 1/2. P(A/B) value is
(a) 1/4
(b) 1/3
(c) 1/6
(d) 1/7
- A transducer is a tool that
(a) converts one form of electric energy into other
(b) is similar to transformer
(c) converts one form of energy into other
(d) helps in measuring electricity
- As per the Charles’ law, volume of a given mass of a perfect gas varies__________ as its absolute temperature, when the absolute pressure remains constant
(a) directly
(b) indirectly
(c) no relation
(d) none of the above
- In a venturi flume, the flow takes place at
(a) atmospheric pressure
(b) gauge pressure
(c) absolute pressure
(d) none of these
- The angle between two vectors a = i+2j-k and b = 2i+j+k is
(a) 30 deg
(b) 45 deg
(c) 60 deg
(d) 90 deg
- If the centre of a circle is (-6,8) and it passes through the origin, then equation to its tangent at the origin is
(a) 2y=x
(b) 4y=3x
(c) 3y=4x
(d) 3x+4y=0
- How is a J-K Flip Flop made to toggle
(a) J=0, K=0
(b) J=1, K=0
(c) J=0, K=1
(d) J=1, K=1
- In PCM system
(a) a large bandwidth is required
(b) the biggest disadvantage is its incompatibility with TDM
(c) companding is used to overcome quantising noise
(d) none of the above
- Stalling of the aerofoil occurs
(a) When the angle of attack is beyond critical angle of attack.
(b) When the angle of attack is less than critical angle of attack.
(c) Both A and B
(d) None of the above
- Which is a permanent database in the general model of compiler?
(a) literal Table
(b) Identifier Table
(c) terminal Table
(d) source code
- Slip rings for induction motor are made of
(a) copper
(b) aluminium
(c) carbon
(d) phosphor bronze
- Newton is unit of force. It is the unit in
(a) MKS system
(b) CGS system
(c) FPS system
(d) None of these
- A Farad is defined as
(a) stat coulomb /volt
(b) coulomb/volt
(c) coulomb x volt
(d) stat coulomb x volt
- Tesla is a measure of
(a) magnetic flux density
(b) electric flux density
(c) magnetic potential
(d) electric potential
- The signal is extended from 96 KHz to 100 KHz, so the minimum sampling frequency required is
(a) 8 KHz
(b) 200 KHz
(c) 4 KHz
(d) 100 KHz
- Principle of hysteresis is not used in
(a) electrical water geyser
(b) electrical motor
(c) multi-vibrators
(d) Schmitt trigger
- Ideally Voltage Standing Wave Ratio (VSWR) should be
(a) as large as possible
(b) as small as possible
(c) as close to unity as possible
(d) infinity
- _________is an active filter
(a) RC filter
(b) notch filter
(d) band pass filter
(c) Butterworth filter
- When the separation between two charges is made four times, the force between them
(a) increases four times
(b) decreases four times
(c) increases sixteen times
(d) decreases sixteen times
- Principle of hysteresis is not used in
(a) electrical water geyser
(b) electrical motor
(c) multi-vibrators
(d) Schmitt trigger
