Related Questions

Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of __________ pressure.
A Small differential
B Atmospheric
C Absolute
D Gage
Maximum differential pressure in liquid manometer is __________ psi.
A 20
B 30
C 40
D 50
Differential manometer is used to measure
A Pressure in pipes, channels etc.
B Atmospheric pressure
C Very low pressure
D Difference of pressure between two points
A differential manometer is used to measure
A Atmospheric pressure
B Pressure in pipes and channels
C Pressure in Venturimeter
D Difference of pressures between two points in a pipe
A manometer measures the __________ pressure.
A Atmospheric
B Absolute
C Gauge
D None of these
In a simple on-off controller with differential gap, the magnitude of differential gap determines
A The level of accuracy
B The life of controller
C Both (a) and (b)
D Neither (a) nor (b)
A differential relay measures the vector difference between
A two currents
B two voltages
C two or more similar electrical quantities
D none of the above
In a right angled triangle the horizontal side measures 8 cm and the vertical side measures 12 cm. What is the area of the triangle?
A 96 sq cm
B 52 sq cm
C 48 sq cm
D 100 sq cm
A rectangular floor that measures 8 meters by 10 meters is to be covered with concept squares that each measures 2 meters by 2 meters. If a carpet square costs to cover 2/3 of the floor?
A ১৬০টাকা
B ১৮০টাকা
C ২৪০টাকা
D ৪৮০টাকা

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