Hydraulics And Fluid Mechanics In Me - Study Mode

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[#541] The intensity of pressure on an immersed surface __________ with the increase in depth.

(A) Does not change

(B) Increases

(C) Decreases

(D) None of these

Correct Answer

(B) Increases

[#542] The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

(A) Remain same

(B) Increases

(C) Decreases

(D) None of these

Correct Answer

(B) Increases

[#543] The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.

(A) Product

(B) Difference

(C) Sum

(D) None of these

Correct Answer

(C) Sum

[#544] The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

(A) Equal to

(B) One-half

(C) Three fourth

(D) Double

Correct Answer

(D) Double

[#545] A Piezometer tube is used only for measuring

(A) Low pressure

(B) High pressure

(C) Moderate pressure

(D) Vacuum pressure

Correct Answer

(C) Moderate pressure