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
Admittance relay is _______ relay.
A impedance
B directional
C non-directional
D none of the above
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
The difference between the radio of bigger difference between circle and smaller circle is 14 and the difference between their sareas is 1056 cm2 . Radius of the smaller circle is .
A 7 cm
B 5 cm
C 9 cm
D 3 cm
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)
Differential manometer measures the
A Atmospheric pressure
B Sub-atmospheric pressure
C Pressure difference between two points
D None of these
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
A rectangular floor that measures 8 metres by 10 metres is to be covered with carpet squares that each measures 2 metres by 2 metres. If a carpet square costs Tk. 12, calculator the total cost cover 2/3 of the floor?
A Tk. 160
B Tk. 240
C Tk. 480
D None of these
The first three angles measures 10% less than the second. The third angle measures 20% more than the sum of the other two. Find the three angles of a triangle.
A 30 degree, 40 degree, 110 degree
B 45 degree, 45 degree, 90 degree
C 35 degree, 45 degree, 100 degree
D 60 degree, 30 degree, 90 degree

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