1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
The primary purpose of a sprue in a casting mold is to
A
Feed the casting at a rate consistent with the rate of solidification
B
Act as a reservoir for molten metal
C
Feed molten metal from the pouring basin to the gate
D
Help feed the casting until all solidification takes place
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
Ductility of material with work hardening
A
Increases
B
Decreases
C
Remains same
D
Unpredictable
3
GATE ME 2002
MCQ (Single Correct Answer)
+2
-0.6
What is the speed of sound in Neon gas at a temperature of $$500$$ $$K$$ (Gas constant of Neon is $$0.4210$$ $$kJ/kg$$-$$K$$)?
A
$$492$$ $$m/s$$
B
$$460$$ $$m/s$$
C
$$592$$ $$m/s$$
D
$$543$$ $$m/s$$
4
GATE ME 2002
MCQ (Single Correct Answer)
+2
-0.6
The efficiency of superheat Rankine cycle is higher than that of simple Rankine cycle because
A
the enthalpy of main steam is higher for superheat cycle
B
the mean temperature of heat addition is higher for superheat cycle
C
the temperature of steam in the condenser is high
D
the quality of steam in the condenser is low