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Q1. | The specific gravity of water is taken as. |

A. | 0.001 [Wrong Answer] |

B. | 0.01 [Wrong Answer] |

C. | 0.1 [Wrong Answer] |

D. | 1 [Correct Answer] |

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**Also Read Similar Questions Below :**

⇒ When a body is placed over a liquid, it will float if.

gravitational force is equal to the upthrust of the liquid

gravitational force is less than the upthrust of the liquid

gravitational force is more than the upthrust of the liquid

none of the above

⇒ In a depressed nappe.

the pressure below the nappe is atmospheric

the pressure below the nappe is negative

the pressure above the nappe is atmospheric

the pressure above the nappe is negative

⇒ In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be.

double

four times

eight times

sixteen times

⇒ The coefficient of discharge for an external mouthpiece is.

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0.5

0.707

0.855

⇒ When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure.

varies as the square of the radial distance

increases linearly as its radial distance

increases as the square of the radial distance

decreases as the square of the radial distance

⇒ The discharge over a triangular notch is.

inversely proportional to H3/2

directly proportional to H3/2

inversely proportional to H5/2

directly proportional to H5/2

⇒ The force present in a moving liquid is.

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gravity force

all of these

⇒ The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the.

pressure head

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⇒ The loss of pressure head in case of laminar flow is proportional to.

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⇒ The discharge in an open channel corresponding to critical depth is.

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⇒ A venturiflume is used to measure.

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discharge of liquid

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⇒ In the manufacturing of lead shots, the property of surface tension is utilised.

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Both (a) and (b)

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⇒ One litre of water occupies a volume of.

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250 cm3

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1000 cm3

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⇒ In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.

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False

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⇒ The viscosity of water at 20°C is.

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one centistroke

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⇒ The buoyancy depends upon the.

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pressure with which the liquid is displaced

viscosity of the liquid

compressibility of the liquid

⇒ The mass per unit volume of a liquid at a standard temperature and pressure is called.

specific weight

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⇒ In a free nappe,

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⇒ When the venturimeter is inclined, then for a given flow it will show __________ reading.

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less

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⇒ The unit of surface tension is.

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N-m

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⇒ A flow is called sub-sonic, if the Mach number is.

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⇒ The product of mass and accelaration of flowing liquid is called.

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gravity force

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⇒ The coefficient of discharge for an external mouthpiece depends upon.

velocity of liquid

pressure of liquid

area of mouthpiece

length of mouthpiece

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⇒ The vacuum pressure is always the negative gauge pressure.

Yes

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Both (a) and (b)

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