Related Questions

When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
A 6 cm
B 8 cm
C 9 cm
D 10 cm
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
A Finned tube heat exchanger with air inside and steam outside
B Finned tube heat exchanger with air outside and steam inside
C Shell and tube heat exchanger with air inside tubes and steam on shell side
D Shell and tube heat exchanger with air on shell side and steam inside tubes
Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. If T sits directly across the table from O, who must sit on the other side of P?
A M and O
B M and S
C O and R
D O and S
Pick out the wrong unit conversion of heat transfer co-efficient.
A 1 kcal/m2.hr.°C = 0.2048 BTU/ft2.hr.°F. = 1.163 W/m2.°K
B 1 kcal/m2.hr.°K = 1.163 W/m2.°C
C 1 W/m2.°C = 0.1761 BTU/ft2.hr.°F
D 1 BTU/ft2.hr.°F = 4.88 kcal/m2.hr.°C = 20.44 kJ/m2.hr°C = 5.678 W/m2.°C
Pick out the wrong unit conversion of heat transfer rate.
A 1 kcal/hr = 1.163 Watt
B 1 Watt = 1.163 kcal/hr
C 1 BTU/ft2.hr = 2.712 kcal/m2.hr
D 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2
For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it
A Decreases the pressure drop
B Decreases the outlet temperature of cooling medium
C Increases the overall heat transfer coefficient
D None of these
Which of the following rivers flowing in Bihar is a north flowing river?
A Bagmati
B Kamla
C Kosi
D Gandak
E None of the above
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be
A Same as that for fluid flow
B Less than that for fluid flow
C More than that for fluid flow
D D2 - D1 (D1 and D2 are I.D. of inner and outer pipes respectively)
If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph?
A 50 miles
B 100 miles
C 500 miles
D 700 miles

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