Related Questions

When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
The source terminal of a JEFT corresponds to ___________ of a vacuum tube
A plate
B cathode
C grid
D none of the above
The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is
A 0.3
B 0.9
C 0.03
D 0.66
The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is
A 0.1
B 0.55
C 0.95
D 1.85
Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
A canal fall
B canal outlet
C canal escape
D canal regulator
The gate voltage in a JFET at which drain current becomes zero is called ___________ voltage
A saturation
B pinch-off
C active
D cut-off
The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be
A Parabolic
B Hyperbolic
C Straight line
D None of these
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)
A 4 A/P
B A/P
C 4 P/A
D $$\sqrt {\text{A}} $$
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 .
A 10 m
B 5 m
C 8 m
D 12 m
In a two lane channel, bottom width of channel is given by
A Manoeuvring lane + (2 × Bank clearance lane)
B (2 × Manoeuvring lane) + (2 × Bank clearance lane)
C (2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)
D Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane

Next steps