ELECTRICAL ENGINEERING QUESTION ANSWERS

Question #1. Electrical machines having a power output upto about 750 W may be
called_______machines.
(a) small size
(b) medium size
(c) large size
(d) any of the above
Answer: (a) small size

Question #2. A good control system has all the following features except
(a) good stability
(b) slow response
(c) good accuracy
(d) sufficient power handling capacity
Answer: (b) slow response

Question #3. The type 0 system has ______ at the origin.
(a) simple pole
(b) net pole
(c) no pole
(d) two poles

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(e) none of the above
Answer: (c) no pole

Question #4. A direct current can be measured by
(a) a D.C. potentiometer directly
(b) a D.C. potentiometer in conjunction with a volt ratio box
(c) a D.C. potentiometer in conjunction with a standard resistance
(d) none of the above
Answer: (c) a D.C. potentiometer in conjunction with a standard resistance

Question #5. is universally used for windings of electrical machines because it is easily workable
without any possibility of fracture.
(a) Copper
(b) Steel
(c) Aluminium
(d) Silver
Answer: (a) Copper