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Free download in PDF Domestic Appliance Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
Which of the following refrigerant is widely used in domestic refrigeration?
[A]
ammonia
[B]
alcohol
[C]
oxygen
[D]
neon
(2)
In a refrigerator, the lowest temperature occur at
[A]
evaporator
[B]
expansion valve
[C]
condenser
[D]
compressor
(3)
In refrigerator, at the inlet of capillary the refrigerant should be
[A]
higher pressure liquid.
[B]
high temperature liquid.
[C]
low temperature liquid.
[D]
low pressure liquid.
Answer: higher pressure liquid.
(4)
Which type of magnet is used in an electric bell?
[A]
Electromagnet
[B]
Carbon magnet
[C]
Temporary magnet
[D]
Permanent magnet
(5)
Which of the following device is responsible for production of the cold liquid in a refrigerator?
[A]
Throtting device
[B]
Evaporator
[C]
Compressor
[D]
Condenser
(6)
The heating element in an electric iron is wound around a sheet of
[A]
Cotton
[B]
Cardboard
[C]
Mica
[D]
None of the above
(7)
The capacity an air conditioner is expressed in
[A]
kWh
[B]
tons
[C]
watt
[D]
None of the above
(8)
The capacity of a domestic refrigerator is expressed in
[A]
tons
[B]
watt-hours
[C]
watt
[D]
HP
(9)
Which of the following heating method is generally used in electric iron?
[A]
Arc heating.
[B]
Indirect resistance heating
[C]
Dielectric heating
[D]
Direct resistance heating
Answer: Direct resistance heating
(10)
In a electric iron, the transfer of heat from coil to base plate is mainly through
[A]
Convection
[B]
Radiation
[C]
Conduction
[D]
None of the above
(11)
The heating element in an electric iron is usually made of
[A]
Nichrome
[B]
Platinum.
[C]
Brass
[D]
None of the above
(12)
The heating element in an electric heater is made of
[A]
Nichrome
[B]
Platinum
[C]
Aluminium
[D]
Tungsten
(13)
Which of the following material is used to made heating element of electric toaster?
[A]
Nichrome
[B]
Iron
[C]
Tungsten
[D]
None of the above
(14)
The rating all electric iron is expressed in
[A]
kWh
[B]
kVA
[C]
watt
[D]
None of the above
(15)
Which part of washing machine actually perform the cleaning operation of cloth clothes?
[A]
Agitator
[B]
Timer
[C]
Drain
[D]
Tub
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