Practice Pakistan's most useful MCQs for competitive exams

Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?

• (A)  < 100
• (B)  < 0
• (C)  > 0
• (D)  > 800

Answer

Submitted By :Ali Uppal

The ______________ of a vapor pressure thermometer is a primary element?

• (A)  Pointer
• (B)  Bourdon tube
• (C)  Bulb
• (D)  None of these

Answer

Submitted By :Ali Uppal

Mass spectrometer is used for the composition analysis of____________________?

• (A)  Alloys
• (B)  Solids
• (C)  Isotopes
• (D)  None of these

Answer

Submitted By :Ali Uppal

Specific gravity of a liquid cannot be measured by a/an __________________?

• (A)  Anemometer
• (B)  Specific gravity bottle
• (C)  Pycnometer
• (D)  Hydrometer

Answer

Submitted By :Ali Uppal

To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with ________________?

• (A)  Air
• (B)  A metal powder or graphite
• (C)  Oil
• (D)  Mercury

Answer

Submitted By :Ali Uppal

What is the Laplace transform of impulse input having magnitude „X‟ ?

• (A)  X
• (B)  X2
• (C)  1/X
• (D)  1

Answer

Submitted By :Ali Uppal

An aneroid barometer measures the _____________ pressure?

• (A)  Atmospheric
• (B)  Absolute
• (C)  Vacuum
• (D)  Gage

Answer

Submitted By :Ali Uppal

The unit of ‘time constant’ of a system is the same as that of___________________?

• (A)  Velocity
• (B)  Time
• (C)  (Time)-1
• (D)  None of these

Answer

Submitted By :Ali Uppal

____________ stability method uses open loop transfer function?

• (A)  Nyquist
• (B)  Mikhailov
• (C)  Ruth
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the following is not a differential pressure flow meter ?

• (A)  Rotameter
• (B)  Flow nozzle
• (C)  Orificemeter
• (D)  Venturimeter

Answer

Submitted By :Ali Uppal