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:

Question 182

The weir with thick crest is known as

Question 183

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


Question 184

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

Question 185

The head of water required for Pelton wheel is

Question 186

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


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. $$\frac{1}{r} \frac{\partial}{\partial r}(rv_r) + \frac{\partial}{\partial z}(v_s) = 0$$

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)?

Question 189

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


Question 190

What are the dimensions of kinematic viscosity of a fluid?

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