Home
Class 12
PHYSICS
An engine pumps 373 kg of water upto hei...

An engine pumps 373 kg of water upto height of 16 m in 40 seconds. Rated power of engine if its efficiency is 80% is (1 horse power = 746 W and g =10 m/`s^2`)

A

1 horse power

B

2 horse power

C

2.5 horse power

D

3 horse power

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

An engine pumps 800 kg of water through height of 10 m in 80 s. Find the power of the engine if its efficiency is 75%

An engine pumps 400 kg of water through height of 10 m in 40 s. Find the power of the engine if its efficiency is 80% (Take ,g =10 ms^(-2) ).

An engine pumps up 100 kg water through a height of 10 m in 5 s . If effcienecy of the engine is 60% . What is the power of the engine? Take g = 10 ms^(2) .

An engine pumps up 1 quintal of coal from a coal mine 100 m deep in 0.5 seocnd. If its efficienty is 60% then the power of the engine is (take g=10m//s^(2))

A man carries a load of 50 kg through a height of 40 m in 25 seconds. If the power of the man is 1568 W , his mass is

The power of pump, which can pump 200 kg of water to a height of 50 m in 10 sec, will be

A pump ejects 12000 kg of water at speed of 4m/s in 40 second. Find the average rate at which the pump is working.

AAKASH INSTITUTE-TEST 3-EXAMPLE
  1. Velocity vectors of three masses 2 kg, 1 kg and 3 kg are vecv1=(hati-2...

    Text Solution

    |

  2. A particle of mass 200 g is attached to an ideal string of length 1.30...

    Text Solution

    |

  3. The potential energy of a particle in a conservative field is U = frac...

    Text Solution

    |

  4. During elastic collision, which of the following statements is correct...

    Text Solution

    |

  5. A particle of mass 10 kg is driven by a machine that delivers a consta...

    Text Solution

    |

  6. A particle moves from point (hati+hatj)m to a point (6hati-2hatj)m und...

    Text Solution

    |

  7. 500 J of work is done in sliding a 4 kg block up along a rough incline...

    Text Solution

    |

  8. If force on a particle vecF = (Sin at)hati + (cos at)hatj and displace...

    Text Solution

    |

  9. A particle starts moving from rest along y axis and a variable force F...

    Text Solution

    |

  10. Two bodies of masses m and 2m are moving along positive x and y axes r...

    Text Solution

    |

  11. A particle of mass 2 kg is projected vertically upward with a velocity...

    Text Solution

    |

  12. Protential energy of an ideal spring , when stretched by 1 cm is U. Sp...

    Text Solution

    |

  13. A body of displaced from position (hati+hatj+hatk) m to position (4hat...

    Text Solution

    |

  14. A particle of mass 2 kg starts motion at time t = 0 under the action o...

    Text Solution

    |

  15. A body of mass m falls from height h0 on the ground. If e is the coeff...

    Text Solution

    |

  16. When kinetic energy of a body is increased by 800%, then percentage ch...

    Text Solution

    |

  17. Two blocks A and B of same material and masses of m and 2 m moving wit...

    Text Solution

    |

  18. An engine pumps 373 kg of water upto height of 16 m in 40 seconds. Rat...

    Text Solution

    |

  19. A bomb is projected with speed 10 m/s at an angle 30^o with the horizo...

    Text Solution

    |

  20. Two bodies of mass 2 kg and 5 kg have position (1 m, 2 m, 1 m) and (3 ...

    Text Solution

    |