Related Questions

Which one of the following is a component of a shield for tunneling?
A Liner plate
B Trench jack
C Stiffener
D Cutting edge
Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.
A Decreases
B Decreases exponentially
C Increases
D Remains constant
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
A Only vapor phase follows Raoult's law
B Only liquid phase obeys Dalton's law
C Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law
D Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?
A Stone masonry
B Timber
C Cast iron
D Cement concrete
Which one of the following linings is suitable for shield driven tunnels particularly in the sub-aqueous regions?
A Brick lining
B Stone lining
C Timber line
D Cast iron lining
The following present serious difficulty in designing reactor shield
A Alpha particles
B Beta particles
C Thermal neutrons
D Fast neutrons and gamma rays
The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
A helium
B ozone
C oxygen
D methane
In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.
A ARC welding
B Submerged ARC welding
C TIG welding
D MIG welding
This is ..... shield donation by ..... U.S.A
A a, the
B the, the
C the, on article
D the, a
'Operation Defensive Shield' কাদের বিরুদ্ধে পরিচালিত হয়েছিল?
A ফিলিস্তিন
B ইরাকি
C আফগান
D কাশ্নিরি

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