A. Platinum resistance thermometer
B. Thermocouple
C. Photo-electric pyrometer
D. Radiation pyrometer
Related Mcqs:
- Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?
A. Platinum-platinum + rhodium
B. Iron-constantan
C. Copper-constantan
D. Chromel-alumel - Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 – 1600°C ?
A. Optical pyrometer
B. Radiation pyrometer
C. Photoelectric pyrometer
D. Thermocouples - Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an _____________ pyrometer?
A. Radiation
B. Optical
C. Photoelectric
D. None of these - Radiation thermometer cannot measure the temperature ___________________?
A. Inside a pressure vessel
B. Of an object without coming in contact with it
C. Of liquid oxygen
D. Of moving objects at high temperature - A mercury thermometer cannot be used to measure the temperature below the freezing point of mercury, which is _____________ °C?
A. -38.9
B. -11.9
C. -60.9
D. -80.9 - _______________ thermometer cannot measure sub-zero (< 0° C) temperature ?
A. Mercury in glass
B. Bimetallic
C. Vapor pressure
D. Resistance - Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?
A. Filling nitrogen under pressure in the stem
B. Increasing the diameter of the tube
C. Using steel tube in place of glass tube
D. Accounting for the tube expansion - Water is entering a storage tank at a temperature T0 and flow rate Q0 and leaving at a flow rate Q and temperature T. There are negligible heat losses in the tank. The area of cross-section of the tank is A0. The model that describes the dynamic variation of temperature of water in the tank with time is given as________________?
A. Q0(T0 – T) = Ac . h (dT/dt)
B. Q0T0 – QT = Ac . h (dT/dt)
C. Q(T0 – T) = Ac . h (dT/dt)
D. Q(T0 – T) = Ac . (dTH/dt) - Which of the following filled system expansion thermometer has the capability to measure the lowest temperature ?
A. Mercury in glass thermometer
B. Mercury in steel thermometer
C. Alcohol in glass thermometer
D. Fused metal (Na or K) in steel thermometer - Which of the following thermocouples can measure the maximum temperature ?
A. Platinum-rhodium
B. Tungsten-molybdenum
C. Chromel-alumel
D. Iron-constantan
