Which
term defines the fluctuation of speed of a flywheel in terms of linear speed?
The
angular acceleration and the moment of inertia of the flywheel is
फ्लाईव्हील का कोणीय त्वरण और जड़त्व आघूर्ण क्रमशः 0.6 रेड/सेकेंड2 और 2500 किग्रा.मी2 है। शुरुआत से 10 सेकंड बाद फ्लाईव्हील की गतिज ऊर्जा (kN-m में) क्या है?
Which
of the following statement is TRUE regarding work done per cycle?
Which
of the following is used for controlling fluctuations in an engine?
The mass of flywheel of steam engine is 3250 kg with the radius of gyration of 1 m. The starting torque of the engine is 4500 N-m. What is the angular acceleration (red/s2) of the flywheel?
The
graph of turning moment diagram is drawn between ________ .
Secondary
forces in reciprocating mass on engine frame are
In
order to facilitate to starting of locomotive in any position, the cranks of a
locomotive with two cylinders are placed at following angle to each other ________
.
The
function of a flywheel is to ________ .
The
purpose of the flywheel in an IC engine is :
Name
the mechanism in which the coriolis component of acceleration is to be
considered.
List-I List-II
A. Governor 1. Dun Kerley method
B. Flywheel 2. Turning moment
C. Critical speed 3. D’Alembert’s principle
D. Inertia force 4. Speed control
The
splash system is NOT used to lubricate ________.
In
spur gears, the circle on which the involute is generated is called :
स्पर गियर में, वह वृत्त जिस पर इनवोल्यूट उत्पन्न होता है, कहलाता है:
If
pitch diameter is 200 mm and number of teeth are 20 then circular pitch of the
gear will be
यदि पिच व्यास 200 मिमी है और दांतों की संख्या 20 है तो गियर की वृत्ताकार पिच होगी
Which
term defines the surface below the pitch surface of the gear tooth?
Which
of the following curve is obtained traced by a point on the circumference of a
circle which rolls without slipping on a fixed straight line.
Which
of the following toothed wheels do not comes under the classification according
to the position of teeth on the gear surfaces?
The
radius that connects the root circle to the profile of the tooth is known
as________ .
Which
of the following statement is INCORRECT about the contact ratio?
The
gear ratio of mating gears is defined as the ratio of
The classification of the toothed wheels is shown according to the
position of the axes of the shaft. Choose the type of toothed wheels which does
not come under this classification.
The
curve formed by the face and the flank of the tooth is known as ________ .
What
type of gear is used to connect two intersecting shafts?
Which
of the following is CORRECT for the train value of a gear train?
Which of the following statement is TRUE about the length of arc of
contact?
The
profile of gears having module of 12 mm and length of arc of contact is 60 mm.
What is the contact ration of the gear profile?
गियर की प्रोफाइल का मॉड्यूल 12 मिमी है और संपर्क चाप की लंबाई 60 मिमी है। गियर प्रोफाइल का संपर्क अनुपात क्या है?
Which
of the following toothed wheels does not come under the classification
according to the type of gearing?
The point of contact which is common between the two pitch circles is known as ________ .
Which
of the following is CORRECT for the speed ratio of a gear train?
Which of the following statement is TRUE about the contact ratio?
Purpose
of using differential gear in automobile is to
The
interface or undercutting in involute gears can be avoided by
In
gears, interference takes place when ________ .
Which of the following statements regarding ‘miter gears’ is correct? These are employed for
Herringbone
gears are
The
size of the gear is usually specified by
The circular pitch of a toothed wheel having 24 teeth and module of 4.25
mm will be
24 दांतों और 4.25 मिमी के मॉड्यूल वाले दांतेदार पहिये का वृत्ताकार पिच होगा
Helical
gears have their teeth:
What
type of contact occurs during meshing of helical gears?
A
differential gear in an automobile is a :
Bevel gears are used to transmit rotary motion between two shafts whose axes are :
The
differential gear in the automobiles is used to:
Which
of the following gear system have minimum axial thrust?
For
helical gears, the helix angle generally ranges from
In
gear drive, addendum equals
Herringbone gears are
In
automobiles the power is transmitted from gear box to differential through :
The surface of gear tooth below pitch circle is called:
The
path of contact in cycloidal gear is :