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When the Q point moves along the load line, the voltage increases when the current?
Answer: Option 3 Let'
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When a point at the end of a link moves with constant angular velocity, its acceleration will have?
Answer: Option 1 Let'
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When a point moves along a straight line, its acceleration will have?
Answer: Option 2 Let'
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Exports and imports, a swelling favourable balance of trade, investments and bank-balances, are not an index or a balance sheet of national prosperity. Till the beginning of the Second World War, English exports were noticeably greater than what they are today. And yet England has greater national prosperity today than it ever had. Because the income of average Englishmen, working as field and factory labourers, clerks, policemen, petty shopkeepers and shop assistants, domestic workers and other low-paid workers, has gone up. The passage best supports the statement that:?
Answer: Option 1 a country's economic standard can be best adjudged by per capital income.
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The law of the machine is (where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)?
Answer: Option 3 Let'
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Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)?
Answer: Option 4 Let'
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Willian’s line follows the law (where b = A constant representing the shape of the Willian’s line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)?
Answer: Option 2 Let'
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On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)S and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) )?
Answer: Option 3 For an adiabatic process → $$P{V^y}$$ = constant For an isothermal process → $$PV$$ = constant So, slope for adiabatic process in $$PV$$ plane is $$\frac{{dp}}{{dv}} = - y\frac{p}{v}$$ Slope...
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If x, y, z are three positive integers such that x is greater then y and y is greater than z, then which of the following is definitely true ?
Answer: Option 4 (a) x% of y = $$\frac{xy}{100}$$ and y of z = $$\frac{yz}{100}$$ x > y, y ⇒ xy > yz ⇒ $$\frac{xy}{100}$$ > $$\frac{yz}{100}$$ ⇒ x% of y > y%...
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