Related Questions

In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from
A 50° - 60°
B 60° - 70°
C 70° - 80°
D 80° - 90°
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will
A Cause withdrawing or throttling of steam
B Reduce length of effective stroke of piston
C Reduce maximum opening of port to steam
D All of these
In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will
A Cause withdrawing or throttling of steam
B Reduce length of effective stroke of piston
C Reduce maximum opening of port to steam
D All of these
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway?
A 64
B 36
C 12
D 29
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car average when it is driven 10 miles in the city and then 60 miles on the highway?
A 64
B 36
C 12
D 29
The valve rod in a steam engine is connected to an eccentric rod by
A Cotter joint
B Bolted joint
C Knuckle joint
D Universal coupling
In a steam engine, the valve rod is connected to an eccentric rod by means of
A Cotter joint
B Knuckle joint
C Universal joint
D Flange coupling
লােকটিকে আগেই সাবধান করা হয়েছিল এই বাক্যেও নিম্নোক্ত অনুবাদগুলির মধ্যে কোনটি/কোনগুলি সঠিক? (1)The man was given an advanced warning. (2) The man was given an advance warning, (3) The man was warned in advance.
A (1)
B (2)
C (3)
D (2) and (3)
Arafat and Asif were each paid X taka in advance to do a certain job together. Arafat worked on he job for 10 hours and Asif worked 2 hours less than Arafat. If Asif gave Arafat Y taka of his payment so that they would have received the same hourly wage, what was the amount in taka, in terms of Y, that Arafat was paid in advance?
A 5Y
B 6Y
C 8Y
D 9Y
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is
A More
B Less
C Equal
D Either A or B; depends on the viscosity of the fluid

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