PMKVY OBJECTIVE TYPE QUESTION

1) MULTIMETER CAN BE USED FOR

A) checking batteries
B) All of these
C) checking for opens and short
D) Troubleshooting motor control circuits

Ans  B

2) Before working on a circuit,
you must..
the power supply

A. Switch on

B. Switch of

C. Throw

D. Hold

Answer B

3) What do we call the part of the
water filter from where the
filtered water exits?

A. None of These

B. filter outlet

C. filter hose

D. filter tap

Ans B

4) The filtered water that has been
treated by a membrane filter is
called

A. concentrate

B. reject

C. None of these

D. permeate

Ans D

5) Which type of tape is used in
Water Purifier, during repairing

A. teflon tape

B. Scotch Tape

C. Cello tape

D. Double-Sided Tape

Ans A

6) What is the size of one micron?

A. 1/2,000 ofa millimeter.

B. 1/500 of a millimeter.

C. None of These

D. 1/1,000 of a millimeter.

Ans D

7) Water purity is checked by which meter
A) volt meter
B) ameter
C) Tds meter
D) potentio meter

Ans C

8) FULL FORM OF TDS METER IS
ANS TOTAL DISSOLVED SOLVENTS

9) FULL FORM OF FRT 

Ans flow restricted tube

10) WHAT IS THE FULL FORM OF GPD IN RO ?
A) Growth potential and development
B) Gallons per day
C) Guaranteed paid downline
D) Global performance development

Ans  B

MIXER

11) A universal motor can run on

A. None of these

B. either A.C. or D.C.

C. A.C. only

D. D.C. only

Ans B

12) In a universal motor, the
most common cause of brush
sparking is

A. shorted armature winding & open
armature winding.
B. high commutator mica
C. shorted field winding
D. All of these

Ans D

13) Never use an appliance with

A. handles

B. fuses

C. resistors

D. bare wires

Ans D

14) To prevent overload and
overheating of wires,

A. fuses and resistor are used

B. circuit breakers are used only

C. fuses and circuit breakers are used

D. fuses are used only

ANS C

15) The direction of rotation of
universal motor can be reversed
the by reversing the flow of
current through

A. armature winding

B. None of these

C. fiel winding

D. either armature winding or
fiel winding

Ans D

16) The speed of a universal motor is
generally reduced by using :

A. chains

B. brakes

C. gear trains

D. V-belts

Ans C gear trains

MICROWAVE OVEN

17) Which container is NOT safe for
the microwave?

A. Ceramic

B. Glass

C. Metal

D. All Plastics

Ans C

18) Microwave rays is invented by

 
Ans percy spencer

19) microwave rays has the frequency of
Ans 2450 Mhz

20) A magnetron is used only as a/an:

A. mixer

B. frequency multiplier

C. amplifier

D. oscillator

Ans D