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For the following questions answer them individually
In process charts, the symbol used for inspection is
Efficiency of gas turbines lies between
85 to 95%
50 to 60%
30 to 50%
15 to 18%
Which one of the following is impulse turbine?
Francis turbine
Kaplan turbine
Pelton turbine
none of these
Which of the following is FALSEfor bolted joints?
Bolted joints are preloaded to avoid vibration loosening
Threads madeby thread rolling process are preferred over machined threadsin bolts
When external load is applied to a preloaded bolt joint, a bigger percentage of that load relieves compression of flanges and remaining percentage increases tension in bolts
Bolted joints are designed suchthatbolt stiffnessis higher than flange stiffness
Root opening of a Single Vee groove weld joint of plate thickness "t" is
$$\frac{t}{3}$$
$$\frac{t}{4}$$
$$\frac{t}{5}$$
$$\frac{t}{6}$$
A cubic B-spline curve requires minimum .......... control points.
3
4
5
6
Transportation method is concerned with
Value analysis
Linear programming
Queing theory
Break-even analysis
The reaction in which a liquid phase transform into twodifferent solid phases is called
Eutectoid reaction
Peritectic reaction
Eutectic reaction
Peritectoid reaction
Margin wearin drill is due to
abrasion
vibration
thermal softening
diffusion
The specific speed of the Kaplan turbine is
2.0 — 5.0
< 0.3
0.3 - 2.0
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