7000+ Single Phase Transformer Questions and Answers Pdf - 2

Question: 6

For a linear time invariant system, an optical controller can be designed if

(A) the system is controllable and observable

(B) the system is unstable but observable

(C) the system is stable and unobservable

(D) the system is uncontrollable but stable

Question: 7

Within the boiler, the steam has highest temperature in

(A) water drum

(B) water tubes

(C) water walls

(D) superheater

Question: 8

What is the requirement of full subtractor circuit?

(A) two inputs and two outputs

(B) two inputs and three outputs

(C) three inputs and two outputs

(D) three inputs and one output

Question: 9

The voltage levels for positive logic system

(A) may be positive or negative

(B) must necessarily be 0 V and 5 V

(C) must necessarily be positive

(D) must necessarily be negative

Question: 10

When forward bias is supplied to a junction diode, it

(A) increases the potential barrier

(B) decreases the potential barrier

(C) reduces the minority – Carrier current to zero

(D) reduces the majority – carrier current to zero