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q differences between pipe jacking and micro-tunnellingpipe jacking is a general scheme of installation of pipes with a tunnelling shield in front
q differences between open shield and closed shieldopen shield type tbm refers to those providing lateral support only they can be further classified
ductile iron pipes vs mild steel pipes as pressurized pipelines for water main pipe size less than 600mm ductile iron is generally used since
q complete embedment of pipelines into thrust blocks for unreinforced concrete thrust blocks in bends and tees for pressurized pipelines its
backward curved vanes vs forward curved vanes in pumps power of a pump is related to discharge as followspower k1q k2q2 tan awhere k1 and k2
address symbol table is generated by the a memory management software b assembler c match logic of associative memory d generated by
zero address instruction format is used for a risc architecture b cisc architecture c von-neuman architecture d
stack overflow causes a hardware interrupt b external interrupt c internal interrupt d software interruptstack overflow occurs
which method is used for resolving data dependency conflict by the compiler itself a delayed load b operand forwarding c pre fetch
divide overflow is generated when a sign of the dividend is dissimilar from that of divisor b sign of the dividend is same as that of
a control character is sent at the beginning as well as at the end of every block in the synchronous-transmission in order to a synchronize the
the method for updating the main memory as soon as a word is removed from the cache is known as a
in a virtual memory system the addresses used by the programmer refers to a memory space b
q axial flow pumps for large flows and low headsit is well known that axial flow pumps are the most suitable for providing large flows and low heads
q air chamber vs surge tank in pressurized pipelinesair chambers and surge tanks are generally installed in water main to ease the stress on the
q residual stresses in steel after weldingconsiderable residual stresses are persuaded in connecting steel members after welding operation local
q paint system to protect steelwork from corrosionin a typical painting system there are generally three main layers primer undercoat and finishing
q internal force of preloaded fastenersforce in a bolt in a bolted joint relies on the preloading force applied to it at the time of the tightening
interface between base plates and footings surface of footings is generally quite rough so that some levelling has to be carried out for base plates
q insulating washer between steel bolts and aluminium platescorrosion of aluminium can be activated by putting it in contact with another metal in
high strength friction grip hsfg bolts vs normal bolts hsfg bolts have the following benefits when compared with normal boltsi performance of
q fire resistance of steelwork because of the high thermal conductivity of steel temperature of unprotected steel is almost the same as temperature
q what is corrosion inhibitorscorrosion inhibitors are chemical substances that when added in small concentrations stop or decrease the corrosion or
q explain about castellated beamscastellated beams refer to the type of beams which involve expanding a standard rolled steel section in such a way
q butt weld ndash from one side vs from both sidesin the design of butt weld strength its normally presumed that its strength is at least equivalent