Q.1
Force exerted by a jet on a stationery plate happens in how many cases?
  • a) 3 cases
  • b) 2 cases
  • c) 1 case
  • d) Nil
Q.2
Force exerted by a jet on a moving plate happens in how many cases?
  • a) 3 cases
  • b) 2 cases
  • c) 1 case
  • d) Nil
Q.3
In a stationery vertical plate, the jet after striking the plate will move _______
  • a) In opposite direction
  • b) Along the plate
  • c) Perpendicular to the plate
  • d) Parallel to the plate
Q.4
At what angle does the jet deflect after striking a stationery vertical plate?
  • a) 30
  • b) 60
  • c) 90
  • d) 0
Q.5
The velocity component after striking the surface will be________
  • a) One
  • b) Zero
  • c) Infinity
  • d) Negative
Q.6
Which among the following is the formula for Force when it strikes the plate?
  • a) pav2
  • b) pav
  • c) pa
  • d) maE
Q.7
To derive pavwe take final velocity minus the initial velocity.
  • a) True
  • b) False
Q.8
The mass of water per sec striking the plate is_________
  • a) pav2
  • b) pav
  • c) pa
  • d) maE
Q.9
Which among the following is formula for force when it acts along the direction of flow?
  • a) pav2Sin2θ
  • b) pav Sin2θ
  • c) pa Sin2θ
  • d) maE Sin2θ
Q.10
Which among the following is a formula for force when it acts perpendicular to the direction of flow?
  • a) pav2 SinθCosθ
  • b) pav Sin2θ
  • c) pa Sin2θ
  • d) maE Sin2θ
Q.11
A jet strikes a curved plate at its ______
  • a) Sides
  • b) Surface
  • c) Centre
  • d) Does not strike
Q.12
During a weak jump, the value of Froude lies in between________
  • a) 1 to 2.5
  • b) 2.5 to 3.5
  • c) Less than 1
  • d) Zero
Q.13
During an oscillating jump, the value of Froude lies in between________
  • a) 1 to 2.5
  • b) 2.5 to 4.5
  • c) Less than 1
  • d) Zero
Q.14
A jet after striking a smooth plate comes out with a __________ velocity.
  • a) Increased
  • b) Decreased
  • c) Same
  • d) Zero
Q.15
Component of velocity in direction of jet is -VCosθ
  • a) True
  • b) False
0 h : 0 m : 1 s