8/3/2019 05- B.E.M.E (CE)

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MEHRAN UNIVERSITY OF ENGINEERING & TECHNOLOGY

FIRST TERM FIRST YEAR ( 1ST TERM) 05-BATCH OF B.E ( CIVIL ENGINEERING) REGULAR

PRACTICAL EXAMINATION 2005 UNDER (EXTERNAL SYSTEM)

SUBJECT:- BASIC ELECTRO MECHANICAL ENGINEERING ID.NO.

Dated: 25 05 2005 Time Allowed: 30 Minutes Max. Marks.15

Marks Obtained:-1. Internal Examiner ----------------

Signature

2. External Examiner ----------------In Words ------------------------------------

Q. NO 01. Fill In the Blanks.

( a ) Isocoric process takes place at constant .

( b ) There is no work done during . Process.( c ) There is no heat transfer during . Process.

( d ) Diesel engine is known as .. ignition engine.

( e ) Petrol engine is known as ignition engine.( f ) According to the Ohms laws .............................. is directly proportional to the

applied voltage

( g ) The unit of frequency is ........................................( h ) The aljabric sum of the current meeting at a node is ..............................

( i )The component of circuit which opposes the flow of current is know as .............................

( j )The flux which does not follows the iron path is said to be the .....................

Q.No.02 Write True or False, as the Case may be , Against Each Statement.( a ) Two and four stoke engines give same power. ( F / T)

( b ) Capacitor is a storing device ( F / T)

(b) The two parallel striate conductor carrying currents to apposite directions attracts

each other ( F / T)

(c) Transformer oil is used for both cooling in insulation purposes ( F / T)

(d) Strength of magnetic field is prepositional to the voltage ( F / T)

(e) Carburetor is used to mix air and fuel. ( F / T )

(f) Direction of magnetic field is N to S ( F / T)

(g) In Otto cycle heat is rejected at constant volume. ( F / T)

(h) Carburetor is used in diesel engines. ( F / T)

(i) Spark plug can be used in diesel engine. ( F / T)

Q. NO . 03. Define The Following Terms

(i) Thermodynamic cycle(ii) IHP

(iii) Magnetic flux

(iv) Power Factor (v) Mutual Induction

T H E E N D