1
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
A uniform stiff rod of length $$300$$ $$mm$$ and having a weight of $$300$$ $$N$$ is pivoted at one end and connected to a spring at the other end. For keeping the rod vertical in a stable position the minimum value of spring constant $$K$$ needed is GATE ME 2004 Theory of Machines - Vibrations Question 43 English
A
$$300$$ $$N/m$$
B
$$400$$ $$N/m$$
C
$$500$$ $$N/m$$
D
$$1000$$ $$N/m$$
2
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
A mass M, of 20 kg is attached to the free end of a steel cantilever beam of length 1000 mm having a cross-section of 25 $$\, \times \,$$ 25 mm. Assume the mass of the cantilever to be negligible and Esteel = 200 Gpa. If the lateral vibration of this system is critically damped using a viscous damper, the damping constant of the damper is GATE ME 2004 Theory of Machines - Vibrations Question 42 English
A
1250 Ns/m
B
625 Ns/m
C
312.50 Ns/m
D
156.25 Ns/m
3
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider a steam power plant using a reheat cycle as shown. Steam leaves the boiler and enters the turbine at $$4$$ $$MPa,$$ $${350^ \circ }C$$ $$\left( {{h_3} = 3095\,\,kJ/kg} \right).$$ After expansion in the turbine to $$400$$ $$kPa$$ $$\left( {{h_4} = 2609\,\,kJ/kg} \right)$$, the steam is reheated to $${350^ \circ }C$$ $$\left( {{h_5} = 3170\,kJ/kg} \right),$$ and then expanded in a low pressure turbine to $$10$$ $$kPa$$ $$\left( {{h_6} = 2165\,kJ/kg} \right).$$ GATE ME 2004 Thermodynamics - Rankine Cycle Question 31 English

The enthalpy at the pump discharge $$({h_2})$$ is

A
$$0.33$$ $$kJ/kg$$
B
$$3.33$$ $$kJ/kg$$
C
$$4.0$$ $$kJ/kg$$
D
$$33.3$$ $$kJ/kg$$
4
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider a steam power plant using a reheat cycle as shown. Steam leaves the boiler and enters the turbine at $$4$$ $$MPa,$$ $${350^ \circ }C$$ $$\left( {{h_3} = 3095\,\,kJ/kg} \right).$$ After expansion in the turbine to $$400$$ $$kPa$$ $$\left( {{h_4} = 2609\,\,kJ/kg} \right)$$, the steam is reheated to $${350^ \circ }C$$ $$\left( {{h_5} = 3170\,kJ/kg} \right),$$ and then expanded in a low pressure turbine to $$10$$ $$kPa$$ $$\left( {{h_6} = 2165\,kJ/kg} \right).$$ GATE ME 2004 Thermodynamics - Rankine Cycle Question 32 English

The thermal efficiency of the plant neglecting pump work is

A
$$15.8\% $$
B
$$41.1\% $$
C
$$48.5\% $$
D
$$58.6\% $$
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