
Mechanical Engineering : Process Instrumentation And Control QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.For measuring temperature in the range of 200 to 30�C, following liquid is used in glass thermometer: |
mercury |
alcohol |
toluene |
pentane |
creosote. |
7.Which gauge is based on the change of heat conductivity of a gas with pressure and the change of electrical resistance of a wire with temperature : |
thermocouple gauge |
Bourdon gauge |
Ionization gauge |
nuitating disk gauge |
Pirani gauge. |
8.The development of following element has improved the reliability and the response action of low pressure gauges : |
diaphragm |
capsule |
bourdon |
ring balance |
all of the above. |
9.The deflection of center of capsule (formed by circumferential welding of two diaphragms) is proportional to : |
active diameter of diaphragm (D) |
D |
D2 |
D3 |
D4 |
10.The resistance of strain gauge grid used in pressure transducers is of the order of : |
0.1 to 1 ohm |
1 to 10 ohm |
10 to 100 ohm |
100 to 2000 ohm |
2000 to 105 ohm |
More Process Instrumentation And Control QUESTIONS AND ANSWERS available in next pages
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