please send all previous solved question papers on HLL......

3140

Why boiler is purged everytime before starting firing of fuel ?

1180

What is an expansion valve and its purpose?

1942

What is the color of flame if the boiler is running in good condition? How about when it is not in good condition?

2457

general diesel engine we are using 15w 40 oil unfortunatley our oiller mis used the oil hudralic oil refilled when he doing the service which kind proplem coming in future?

2368

Sir, In the current session I am attending the Junior Engineer Exam in Grade II for Mechanical Engineering. If it possible. Please sent the Past Exams Question on my mail. It is so useful use to me.

2255

What is a pneumatic system?

1173

CATIA:VARIATON IN SIZE AND PATTEREN

1991

1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

1941

What are the procedures on how to anneal?

1955

Is OHNS steel is equivalent to O1 tool steel? Suppliers give OHNS material for AISI O1 STEEL telling that both are equivalent materials. Is this correct?

3075

HOW LIGHTENING PROTECTION IS DONE ON ROOF OF SQUARE SHAPE AND HAVE PARTUCULARLY BIG SURFACE AREA.

2098

• What is your weakness?

2079

How to create a Button use visual basic in Excell 2007 and how to hyperlink the button ?

2125

Why did you choose this career?

2096