Automobile engine-1
Previous year question paper with solutions for Automobile engine-1 May-2018
Our website provides solved previous year question paper for Automobile engine-1 May-2018. Doing preparation from the previous year question paper helps you to get good marks in exams. From our AE-1 question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.
These Questions are downloaded from www.brpaper.com You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.
Print this page
Question paper 1
SECTION-A
Q1. Fill in the blanks.
(a) The diameter of engine cylinder is called………
Answer:
(b) Cycle on which petrol engine works………..
Answer:
(c) Scavenging efficiency of ……. stroke engine is more.
Answer:
(d) ……….. is the power produced inside the engine.
Answer:
(e) The firing order of 4 cylinder engine is usually……..
Answer:
(f) Piston rings are usually made of ………
Answer:
(g) ……….. system of lubrication is used almost in modern car engine.
Answer:
(h) Ratio of ……….. and heat input is called thermal efficiency.
Answer:
(i) ……….test is used for determining mechanical efficiency of an engine.
Answer:
(j) During idling …….. mixture is required.
Answer:
SECTION-B
Q2. Attempt any five Questions.
i. Discuss briefly the working principle of 4 stroke petrol engine
Answer:
ii. Explain briefly the function and material of piston, connecting rod and crank shaft.
Answer:
iii. What do you mean by mechanical efficiency, thermal efficiency, volumetric efficiency and relative efficiency?
Answer:
iv. Discuss the comparison of MPFI system with carburetor method.
Answer:
v. Discuss the types of ignition systems .Explain any one.
Answer:
vi. Describe the function and working of thermostat and pressure cap used in cooling system.
Answer:
vii. Describe briefly pressure lubrication system.
Answer:
viii. How is the seizing of piston caused?
Answer:
Q3. Attempt any two Questions.
i. Describe the working principle of 2- stroke petrol engine. Also explain in detail the difference between petrol engine and diesel engine.
Answer:
ii. Describe the requirement of air-fuel mixture for different speeds of an engine. Also explain the different operating systems in complete carburetor.
Answer:
iii. What is the necessity of cooling system and lubrication system? Explain the characteristics/properties of lubricants required for automobile engine.
Answer: