A mercury barometer measures the _____________ pressure?
A mercury barometer measures the _____________ pressure?
A. Atmospheric
B. Gauge
C. Vacuum
D. Absolute
Similar Posts
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is __________________?
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is __________________?A. Water
B. Carbon tetrachloride
C. Paraffin
D. Ethylene glycolStrain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in ____________ in the electrical resistance of the wire ?
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in ____________ in the electrical resistance of the wire ?A. No change
B. Decrease
C. Increase
D. Exponential decreaseWater 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________________?
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)Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change ?
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change ?A. Water
B. Mercury
C. Methyl alcohol
D. Carbon-tetrachlorideWhich of the following fluid flow measuring devices can measure the largest flow rate ?
Which of the following fluid flow measuring devices can measure the largest flow rate ?A. V-notch
B. Rotameter
C. Orificemeter
D. WeirEmission spectroscopy is used for__________________?
Emission spectroscopy is used for__________________?A. Solids and metal analysis
B. Determining water purity
C. Determination of CO2 in gases
D. NOx determination