Hindustan Petroleum Corporation Limited (HPCL) has released recruitment notification for Engineers, Technician, Industrial Engineer, Mechanical etc.



HPCL Sample Papers Electrical




Some sample questions includes:

Complete the following statement:

1. Space charge region around a p – n junction
a. Contains one type of mobile carriers depending on the level of doping of the p or n regions
b. Does not contain mobile barriers
c. Contains electrons only as free carriers
d. Contains both free electrons and holes

2. What will be the consequences, if you remove the bypass capacitor across the emitter – leg resistor in a CE amplifier?
a. Decrease in voltage gain
b. Increase in current gain
c. Increase in voltage gain
d. Decrease in current gain

4. On what does the frequency of the ripple in the output voltage of a 3 – phase semi - converter depends upon?
a. Firing angle and supply frequency
b. Firing angle and load resistance
c. Only on load circuit parameters
d. Firing angle and load inductance

5. Which oscillator comprises of the highly stable resonance characteristic?
a. Colpitts
b. Hartley
c. Weinbridge
d. Crystal

6. ISDN handles data pertaining to
a. Computer data only
b. All digital services
c. Speech only
d. Speech and video

7. Which converter can operate in both 3 and 6 pulse modes?
a. 3 phase full converter
b. 1 phase full converter
c. 3 phase half wave converter
d. 3 phase semi – converter

8. When do you use analog data acquisition system?
a. Narrow bandwidth and high accuracy are required
b. Wide bandwidth and low accuracy are required/sufficient
c. Wide bandwidth and high accuracy are required
d. Narrow bandwidth and low accuracy are required/ sufficient

Exam pattern:

The test will consists of two parts :
Part-I : 120 questions
Part-II : 50 questions
Time: 2 hours, No negative marking

Part-I : Quantitative, English Language and Intellectual ability (Reasoning) - 120 questions

English Language: In this 40 questions like Antonims, Articles, Antonyms, Reading passage and correction of sentences.

Quantitative: In this section also they have given around 40 questions, they asked about ratios, percentages, train problems, permutations, ages and series etc

Intelluctual Ability: In this also they have given 40 questions, here they gave some series of fiugures and asked find the next figure. and two statements are given and asked to find the conclusion (these are given more)

Part-II : Technical Knowledge - 50 questions

Important Dates to Remember :

Starting Date For Submission Of Online Application : 01.06.2016
Last Date For Submission Of Online Application : 30.06.2016