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The specimen in charpy impact test is held as
A) Cantilever B) Simply supported beam
C) Fixed beam D) Hinged beam

Dow metal contains

A) 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
B) 92.5% aluminium and 4% copper, 2% nickel and 1.5% Mg
C) 90% magnesium and 9% aluminium with some copper

D) 90% aluminium and 90% copper

Cast iron contains
A) 0.2% to 0.4% carbon B) 0.4% to 0.7% carbon
C) 1% to 1.3% carbon D) 2% to 4% carbon

The range of surface hardness that can be obtained by nitriding is
A) 1000 to 1100 VPN B) 1200 to 1400 VPN
C) 600 to 800 VPN D) 400 to 500 VPN

A single jet pelton wheel has head of 500 m and jet dia 200 mm. Determine t
discharge through the jet, if KV = 0.98.
A) 8 8) 3.04 m/s
©) 4.03 58 0) 5.92 178/6

A turbine is to operate under 8 head of 30m and the discharge is 10 ന3/6. If t
turbine efficiency is 0.75. Determine the power generated by the turbine.

A) 2700 HP B) 2800 HP

C) 2900 HP D) 3000 HP

Water is flowing through a nozzle fitted at the end of a pipe. The diameter of 1

he

he

he

nozzle is 0.1m and the head of water at the centre of nozzle is 100 m. Determine

the velocity of flow through nozzle if ‏رن‎ = 0.95.
A) 47.43 m/s B) 45.25 m/s
C) 42.08 m/s D) 49.84 m/s

The angle of taper of a draft tube is
A) Less than 8° B) Around 10°
C) Around 15° D) More than 10°

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