Converter Multiple Choice Questions and Answers

1. A rotary converter in general construction and design is more or less like

a) Transformer

b) An induction motor

c) An alternator

d) Any DC machine

Answer: Any DC machine

2. In which of the following equipment direct current is needed?

a) Telephones

b) Relays

c) Time switches

d) All of the above

Answer: All of the above

3. In a single phase rotary converter the number of slip rings will be

a) Two

b) Three

c) Four

d) Five

Answer: Two

4. A rotary converter is a single machine with

a) One armature and one field

b) Two armatures and one field

c) One armatures and two fields

d) None of the above

Answer: One armature and one field

5. With a motor converter it is possible to obtain DC voltage only up to

a) 200 to 400 v

b) 600 to 800 v

c) 1000 to 1200 v

d) 1700 to 2000 v

Answer: 1700 to 2000 v

6. A rotary converter combines the function of

a) An induction motor and a DC generator

b) A synchronous motor and a DC generator

c) A dc series motor and a DC generator

d) None of the above

Answer: Hey synchronous motor and a DC generator

7. A rotary converter operates at a

a) Low power factor

b) High power factor

c) Zero power factor

d) None of the above

Answer: High power factor

8. In a rotary converter are much are parents are

a) DC only

b) AC only

c) Partly AC and partly DC

d) None of the above

Answer: Partly AC and partly DC

9. Which of the following is reversible in action ?

a) Motor generator set

b) Motor converter

c) Rotary converter

d) Any of the above

Answer: Rotary converter

10. Which of the following methods may be used to convert AC system to DC ?

a) Rectifiers

b) Motor converters

c) Motor generator set

d) All of the above

Answer: All of the above