A sharp edged vertical orif‌ice issues a jet of water under a constant head of 0.55 m. The horizontal and vertical co-ordinates measured from the vena-contracta. at a certain point of issuing jet. are 0.512m and 0.09m, respectively. Assuming Cd = 0.7, find the value of CC.

Given. 5 = potential inf‌iltration and p = rainfall (in centimetre) in a drainage of a soil with fair pasture cover. The direct runoff Q can be calculated by using which of the following expressions?

Calculate the degree of reaction in a reaction turbine, if the enthalpy drop in a stage is 70 units and the enthalpy drop in the moving blades is 40 units.

The cycle direction of a Carnot engine (with an eff‌iciency of 60%) is reversed. what is the COP of reversed Carnot cycle?

A gas turbine is supplied with gas at 1200 K and 10 bar to expand adiabatically to 2 bar. Find the power developed in kW/kg of gas per second and the exhaust gas temperature. Mean specif‌ic heat at constant pressure is 1.0425 kJ/kgK and mean specific heat at constant volume is 0.7662 kJ/kgK.

k = soil permeability (assuming the soil to be homogeneous and isotropic) Where, H1 and H2 = depths of two wells at distances r, and r2, respectively, from the main well

What is hyperinflation?

Which of the following is NOT a hunting and gathering society?

What is the main way in which hunting and gathering societies obtain food?

What is the human-capital explanation?

Which of the following is not a human capital explanation?