• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Theory of Machine

Theory of Machine
V-belts are usually used for

Long and short drives
Long drives
None of these
Short drives

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Governor is used in automobile to

Limit the vehicle speed
Maximize the fuel economy
Decrease the variation of speed
Maintain constant engine speed

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

5,367 r.p.m.
9,360 r.p.m.
12,000 r.p.m.
6,000 r.p.m.

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a steam engine, the link constitutes a

Piston, piston rod and cross-head
Crank pin, crankshaft and flywheel
All of these
Connecting rod with big and small end brasses, caps and bolts

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

[(r + R) sinφ]/2
[(r + R) cosφ]/2
[(r² + R²) sinφ]/2
[(r² + R²) cosφ]/2

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The example of higher pair is

Belt, rope and chain drives
All of these
Gears, cams
Ball and roller bearings

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Theory of Machine

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑