Blue Star Placement Papers
Company: Blue Star Infotech
Blue Star Infotech Ltd (BSIL)
BlueStar Infotech Placement Paper (Technical, GD & Interview)
Section I- GD Topics
1. What should India to improve its winning chances against Australia in forthcoming tour.
2. America ’s War on Iraq .
3. Freedom of Press.
4. Latest developments on India-Pakistan peace process.
5. Effect of TV on society.
Each group was given two topics and they had to discuss 5 minutes on each topic.
Section II- Written Test:- 47 questions in 1 hour. All were technical. No negative marking.
Section III- Personal Interview.
All three round were short listing rounds.
1.Montreal protocol limits the use of _______ ? ans. Ozone depleting substance
2.Rain drop is spherical due to ________ ? ans. Surface tension
3.Global warming is due to _______ ? ans. Carbon-di-oxide
4.One ton of refrigeration is equal to_______ ? ans. 12000 btu/hr
5.For a laminar flow Reynolds flow should be ______ ? ans. Less than 2000
6.In latent heating a substance _________ ? ans. Changes phase without increase in temperature
7.Degree of saturation is ratio of _______ ?
9.A pipe friction test shows that, over the range of speeds used for the test, the non-dimensional friction factor f, varies inversely with Reynolds No. It can be inferred from above that,
Ans. Pipe should be smooth.
10.In a rough turbulent flow in a pipe, the friction factor would depend upon? Ans. Pipe diameter and pipe condition.
11.What is the refrigerant used in vapour absorption cycle?
12.Pick the odd one out. F12, F22, F11, CO
13.Expansion in a vapour compression cycle is an_______ ? ans. Isenthalpic process
14.What is the work of throttling process? Ans. Expansion
15.What is the material of heat exchanger tubes? Ans. Copper
16.Tachometer is used to measure _________ ? ans. Speed
17.Mercury is used in manometer because ________ ?
18.Check valves are used to ensure ________ ? ans. Unidirectional flow
19.Anti-freeze agent used is _________? Ans. Ethylene glycol
20.Anemometer can be used to measure _________ ?
21.Bypass factor of a cooling coil is _________?
22.Aspect ratio of a rectangular duct is the ratio between its _______ ?
23.The temp that is numerically the same in Fahrenheit & centigrade scales is ________ ?
24.The loudness of sound depends upon its ________ ?
25Dewpoint is the temperature at which water vapor will undergo ________ ? ans. Condensation
26.One question using the formula 120fs/p
27.In inductance _______ leads _______ ?
28.Power factor is least in ______ ? a. capacitance b. resistance c. inductance
29.Barometer is used to measure _______ ?
30.Identify the odd one out a. DIN b. ISI c. JIS d. IIT
31.If the NPSH requirements of a pump are not satisfied it will _______ ?
32.Approach of a cooling tower is the difference between temperatures of ________ ?
33.A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State whether this is true or false
34.The index that normally reflects laminar flow in a tube is ______ ? ans. Reynolds no.
35.Pressure drop in air duct is influenced by __________ ? ans. shape of the duct
36.By increasing the intake air temp, efficiency of IC engine will _______ ? ans. decrease
Blue Star Placement Papers
About Blue Star
Blue Star Infotech Ltd, based in Mumbai, Bangalore, Santa Clara, New Jersey, London, Singapore, Malaysia, is a global provider of product development services, enterprise solutions and services, travel technology solutions and testing services with operations in North America, Europe, UK, and India.