AUTOMOBILE ENGINEERING MCQ SECTION 9

81. A maintenance free battery

(A) Has lead-antimony plate grid

(B) Has lead-calcium plate grid

(C) Does not contain acid

(D) Does not contain water

Answer: - Has lead-calcium plate grid

82. The painting of automobiles is done to

(A) Prevent rust from growing on the body

(B) Improve its external appearance

(C) Retain the characteristics of steel for long

(D) All of these

Answer: - All of these

83. The main feature of Macpherson strut suspension is that

(A) The vertical size of the suspension can be made more compact

(B) Non vertical external forces are supported by the suspension arms

(C) The unsprung mass in lighter

(D) The assembly is slightly more complicated in design

Answer: - The unsprung mass in lighter

84. If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called

(A) Detonation

(B) Ignition

(C) Pre-ignition

(D) Rumble

Answer: - Pre-ignition

85. The engine oil viscosity is defined by ___________ ratings.

(A) Automatic Transmission Fluid (ATF)

(B) Society of Automotive Engineers (SAE)

(C) Gross Vehicle Weight (GVW)

(D) American Petroleum Institute (API)

Answer: - Society of Automotive Engineers (SAE)

86. The vehicle ride will be comfortable if

(A) Unsprung mass is kept minimum

(B) Sprung mass is kept minimum

(C) Vehicle mass is kept minimum

(D) All of these

Answer: - Unsprung mass is kept minimum

87. The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as

(A) Indicator diagram

(B) Axial force diagram

(C) Valve timing diagram

(D) None of these

Answer: - Valve timing diagram

88. During braking, the brake shoe is moved outward to force the lining against the

(A) Wheel piston or cylinder

(B) Anchor pin

(C) Brake drum

(D) Wheel rim or axle

Answer: - Brake drum

89. In automobiles G.V.W. refers to

(A) Gross vehicle width

(B) Gross vehicle weight

(C) Gross vehicle wheel base

(D) Gross vehicle wheel track

Answer: - Gross vehicle weight

90. The engine oil level should be checked

(A) Immediately after the ignition switch is turned off

(B) While the engine is running

(C) A few minutes after the ignition switch is turned off

(D) While the engine is running at high idle speed

Answer: - A few minutes after the ignition switch is turned off