Domestic Appliance Quiz | Domestic Appliance Multiple Choice Questions and Answers

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Questions
1 Which of the following refrigerant is widely used in domestic refrigeration?
A ammonia
B alcohol
C oxygen
D neon

Answer: ammonia.
2 In a refrigerator, the lowest temperature occur at
A evaporator
B expansion valve
C condenser
D compressor

Answer: evaporator
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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

Answer: Electromagnet
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

Answer: Throtting device
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

Answer: Mica
7 The capacity an air conditioner is expressed in
A kWh
B tons
C watt
D None of the above

Answer: tons
8 The capacity of a domestic refrigerator is expressed in
A tons
B watt-hours
C watt
D HP

Answer: tons
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

Answer: Conduction
11 The heating element in an electric iron is usually made of
A Nichrome
B Platinum.
C Brass
D None of the above

Answer: Nichrome
12 The heating element in an electric heater is made of
A Nichrome
B Platinum
C Aluminium
D Tungsten

Answer: Nichrome
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

Answer: Nichrome
14 The rating all electric iron is expressed in
A kWh
B kVA
C watt
D None of the above

Answer: watt
15 Which part of washing machine actually perform the cleaning operation of cloth clothes?
A Agitator
B Timer
C Drain
D Tub

Answer: Agitator

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