Design of Machine Elements

Q.  Jam nut is a locking device in which _____________________?

a. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
b. a slot is cut partly in middle of nut and then slot reduced by tightening a screw
c. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
d. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at oth
e. none of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Which of the following are ferrite materials__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Enriched uranium is one in which__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following is the heaviest________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A nuclear fission produces energy of following order in MeV___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The process by which a heavy nucleus is splitted into two light nuclei is known as_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The fast breeder reactor uses the following moderator__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The mass number of a substance represents the sum of total number of___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Gas cooled reactor uses following materials as moderator, and coolant____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In nuclear fission each neutron that causes fission releases_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following particles is the lightest__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In fast breeder reactors___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Ferrite material is____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The energy required to be applied to a radioactive nucleus for the emission of a neutron is________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The commonly used material for shielding is__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Reflector in nuclear plants is used to________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The number of isotopes of hydrogen are _________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The nuclear power plant at Tarapur has the following reactor________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Ideally the neutron flux in reactor should be__________________ ?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts