The placement paper for the Hindustan Petroleum Corporation Limited for recruitment of candidates is as given below:

Aptitude Section

1) A farmer used 1034 acres of land for growing rice, wheat and corn in the ratio of 5:2:4 respectively. How many acres were used for growing corn?

A) 188 acres B) 258 acres C) 376 acres D) 470 acres

2) How many times should the keys of a keyboard be pressed in order to type the first 300 counting numbers? (i.e. to type 1, 2, 3 ... 300)

A) 362 B) 1448 C) 1504 D) 792

3) The more she learnt _______ the American Civil War, the more fascinated she became. A) About B) From C) Off D) With

Mechanical Engineering

What is the phenomenon of emf development between two different metals placed in contact known as?

A) Seeback effect B) Thomson effect C) Peltier effect D) Thermocouple effect

Define the gross head in a turbine installation. A) The difference of level between the head race and the tail race

B) The difference of level between the reservoir and down stream

C) The difference of head between axis of turbine to discharge stream level

D) The head is actually used in developing power

Which of the following bearings will have the least coefficient of friction?

A) Self aligning bearing B) Cylindrical roller bearing C) Thrust ball bearing D) Tapered bearing

Electronics Engineering

Why are quartz crystal oscillators popularly used?

A) High Q and high frequency stability B) Low Q and high frequency stability

C) Low Q and large output power D) High Q and large output power

Which of the following represents the valid integer number in 'C'?

A) 1500 B)1.1 C) 2-5 D) 0.123

How does the resistance of a circular conductor behave, if the diameter of the conductor is halved?

A) Remains unchanged B) Doubles C) Becomes 4 times D) Becomes one -fourth

Chemical Engineering

The specific reaction rate constant of a first order reaction k = 0.01. What is the time required for 60% conversion in
[Note: ln 0.4 = - 0.67]

A) 37 minutes B) 47 minutes C) 57 minutes D) 67 minutes

A cold fluid flowing on inner pipe of a DPHE is heated from 32.5 to 750C. What is Log Mean Temperature Difference, LMTD?

[Note: ln 2.7 = 1]

0C B) 42.5

Pillows and mattresses belong to which category of plastics/ polymers?

A) Foamed plastics

B) Thermosetting plastics

C) Synthetic polymers

D) Ladder polymers

0C C) 32.5

Civil Engineering

What is the maximum pitch in any type of stairs?

A) 42 degrees B) 25 degrees C) 60 degrees D) 30 degrees

In the time cost optimization, using CPM method for network analysis, the crashing of the activities along the critical

path is done starting with the activity that shows which of the following characteristics?

A) Shortest duration B) Highest cost slope C) Longest duration D) Least cost slope

What is the depth of flow for maximum velocity in a circular channel section with diameter equal to 1.5m?

A) 1.215m B) 1.065m C) 1.425m D) 0.75m