1
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a heat exchanger, it is observed that $$\Delta {T_1} = \Delta {T_2},$$ where $$\Delta {T_1}$$ is the temperature difference between the two single phase fluid streams at one end and $$\Delta {T_2}$$ is the temperature difference at the other end. This heat exchanger is
A
a condenser
B
an evaporator
C
a counter flow heat exchanger
D
a parallel flow heat exchanger
2
GATE ME 2014 Set 2
Numerical
+2
-0
In a concentric counter flow heat exchanger, water flows through the inner tube at $${25^ \circ }C$$ and leaves at $${42^ \circ }C$$. The engine oil enters at $${100^ \circ }C$$ and flows in the annular flow passage. The exit temperature of the engine oil is $${50^ \circ }C.$$ Mass flow rate of water and the engine oil are $$1.5kg/s$$ and $$1$$ $$kg/s,$$ respectively. The specific heat of water and oil are $$4178$$ $$J/kg.K$$ and $$2130$$ $$J/kg.K,$$ respectively. The effectiveness of this heat exchanger is _________.
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3
GATE ME 2014 Set 2
Numerical
+2
-0
Consider the following data with reference to elementary deterministic economic order quantity model GATE ME 2014 Set 2 Industrial Engineering - Inventory Control Question 9 English

The total number of economic orders per year to meet the annual demand is _______________.

Your input ____
4
GATE ME 2014 Set 2
Numerical
+2
-0
A project has four activities $$P,Q, R$$ and $$S$$ as shown below. GATE ME 2014 Set 2 Industrial Engineering - Pert and Cpm Question 12 English

The normal cost of the project is Rs. $$10,000/-$$ and the overhead cost is Rs. $$200/-$$ per day. If the project duration has to be crashed down to $$9$$ days, the total cost (in Rupees) of the project is ______________.

Your input ____
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