১৭৪৪১
A rectangular channel has cross sectional area of 50 m² If the channel section is to be most economical, calculate the depth. Take Breadth = 10m .
উত্তর
5 m
১৭৪৪৩
If the fault current is 2000A, the relay setting is 50% and CT ratio is 400:5, then what is the PSM value?
উত্তর
10
১৭৪৪৫
The thickness of the parapet wall, on the valley side of the roadway, is usually kept as
উত্তর
40 cm
১৭৪৪৬
A steel bar of 5 mm is heated from 15° to 40° and it is free to expand. The bar will induce . . . . . . stress.
উত্তর
no
১৭৪৪৭
To refrain from separation in subsonic nozzles, the expansion angle must not be more than ______
উত্তর
10°
১৭৪৪৯
When a 400V, 50Hz, 6-pole induction motor is rotating at 960 rpm on no-load, its slip is -
উত্তর
4%
১৭৪৫০
An angle made by a survey line with the prolongation of the proceeding line, is known as ...... angle.
উত্তর
deflection