Karnataka PSC Motor Vehicle Inspector Paper Section B
| Sr. No. | Question |
| 1 | Multi-Staging used in centrifugal pumps because __________
(a) For high efficiency (b) For high flow rate (c) For high head (d) For high speed |
| 2 | Which one of the following is NOT a positive displacement pump ?
(a) Vane pump (b) Centrifugal pump (c) Lobe pump (d) None of the above |
| 3 | Freon 12 is a compound consisting of atoms of _________
(a) Carbon & Hydrogen (b) Carbon, Hydrogen & Oxygen (c) Carbon and Fluorine (d) Carbon, Fluorine and Chlorine |
| 4 | The most common type of vapor absorption system used for industrial applications ______________________
(a) Freon 12 (b) Brine and water (c) Ammonia and Water (d) Hydrogen and water |
| 5 | Vertical lines of a psychrometric charts indicates _________
(a) Dry bulb temperature (b) Dew point temperature (c) Wet bulb temperature (d) Relative Humidity |
| 6 | Automobile vehicle manufacturing assembly line is a best example for the _________
(a) Product Layout (b) Group Layout (c) Process Layout (d) Fixed position Layout |
| 7 | Head developed by a centrifugal pump depends on ________
(a) Speed (b) Casing (c) Speed & impeller diameter (d) Impeller diameter |
| 8 | Which type of pump is suitable for low discharges but high-pressure applications?
(a) Centrifugal (b) Reciprocating (c) Gear (d) Axial flow |
| 9 | Casings of a centrifugal pumps are designed so as to minimize __________
(a) Cavitation (b) Head Loss (c) Friction loss (d) Loss of Kinetic Energy |
| 10 | Francis turbines are best suited for _______
(a) Low head (b) High head (c) Medium head (d) None of the above |
| 11 | In Vapour compression refrigeration system refrigerant occurs as a liquid between _________
(a) Condenser & expansion valve (b) Compression & evaporator (c) Expansion valve & evaporator (d) Compressor & condenser |
| 12 | Aqua Ammonia is used as a refrigerant in the following type of refrigeration system ________
(a) Compression (b) Direct (c) Indirect (d) Absorption |
| 13 | In refrigeration cycle the flow of refrigerant is controlled by __________
(a) Expansion valve (b) Compressor (c) Evaporator (d) Condenser |
| 14 | Ammonia when used as refrigerant is _________
(a) Non-toxic (b) Toxic and inflammable (c) Non in flammable (d) Toxic |
| 15 | Air conditioning means ________
(a) Healing (b) Cooling (c) Humidification (d) All of the above |
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