SSC JE Mechanical Engineering 22nd Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 181

If a thin plate is held parallel to a fluid stream the pressure drag onitis:

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Question 182

The weir with thick crest is known as

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Question 183

In case of depressed nappe the pressure of air below the nappe is

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Question 184

The type of turbine recommended for a head of 10 m is

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Question 185

The head of water required for Pelton wheel is

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Question 186

Match List I with List II and Select the correct answer using the codes given below the lists.

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Question 187

Considerthe following equations:
1. $$A_1V_1 = A_2V_2$$
2. $$\frac{\partial u}{\partial x} + \frac{\partial v}{\partial y} = 0$$
3. $$\int_{s} pv.dA + \frac{\partial}{\partial t} \int_{v} pdV = 0$$
4. $$\frac{1}{r} \frac{\partial}{\partial r}(rv_r) + \frac{\partial}{\partial z}(v_s) = 0$$

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Question 188

Two pumpscan operate independently at heads $$H_1, H_2$$ and discharges $$Q_1, Q_2$$, respectively. If the pumps are connected in parallel, then what are the resulting discharge (Q) and head (H)?

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Question 189

Match List I with List II and Select the correct answer using the codes given below the lists.

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Question 190

What are the dimensions of kinematic viscosity of a fluid?

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