29/05/2026
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29/05/2026
झुक्किने हैन नि फेरि 🤪
29/05/2026
आ.व. २०८३/०८४ को बजेट
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21/05/2026
कर्णाली प्रदेश मा बढुवा तर्फको भारी मात्रामा विज्ञापन खुल्यो
सब इन्जिनियर जम्मा 184 जना !
6. A manometric liquid should suitably have _________
a) Low density & Low Vapour pressure
b) Low density & High Vapour pressure
c) High density & Low Vapour pressure
d) High density & High Vapour pressure
👉A reciprocating pump is a class of _________
a) Negative displacement
b) Positive displacement
c) Zero displacement
d) Infinite displacement
10. Which among the following is a high-pressure pump?
a) Centrifugal
b) Reciprocating
c) Rotary
d) Ionization pump
👉For a channel to be economic which of the following parameters should be minimum.
a) Wetted perimeter
b) Wetted area
c) Section factor
d) Hydraulic depth
👉Which of the following is a formula for the friction factor of circular pipes?
a) Re/64
b) 16/Re
c) 64/Re
d) Re/16
👉Which of the following equation must be perfunctorily satisfied while dealing with fluid flow problems? a) Newton’s third law b) Law of conservation of momentum c) Continuity equation d) Newton’s second law