Consider the following statements
I. Heat dissipation path of hard spark plug is longer as compared to that of soft spark plug
II. Hard spark plug is used in cold operating conditions
III. Soft spark plug is used in high speed engines
Which of the above statements are correct?
fuEu dFkukas ij fopkj dhft,
I. dBksj LikdZ Iyx dk Å"ek fo{ksi ekxZ e`nq LikdZ Iyx dh rqyuk eas yEck gskrk gSA
II.dBksj LikdZ Iyx dks 'khry ifjpkyu ifjfLFkfr;kas eas iz;ksx fd;k tkrk gSA
III. e`nq LikdZ Iyx dks mPp pky ds batukas eas iz;ksx fd;k tkrk gS
mijksDr eas ls dkSulk dFku lgh gS
I and II
II and III
I and III
I, II and III
I, II and III
Hard plugs have a longer insulator nose with a larger surface are that's more exposed to heat from the combustion chamber. Cold spark plug have a short insulator tip and remove heat from the combustion area much quicker.
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's