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q potential advantages of segmental tunnelling when compared with hand-shield pipe-jackingin segmental tunnelling jacks are installed at the shield
q number of segments for segmental linings in tunnellingfor the construction of tunnels by segmental linings choice of the number of segments affects
q necessity of air valves in pressurized pipelinesair valves are broadly categorized into two major types single air valves and double air valves
minimum volume of sump volume for pumpsmaximum pumping rate qpvolume of sump vinflow rate qicycle time tc t1 t2t1 v qp - qit2 v qitc minimum
q grouting in segmental linings in tunnelsgrouting is typically carried out under pressure in segmental linings at the time of tunnel construction
ground settlement occurs ahead or behind the jacking face for pipe-jackingits reported by lake 1992 that settlements are expected at ground surface
ground settlement occurs when pipe-jacking machine enters mixed ground with soils and bouldersthe rate of cutting through soils is faster than
external interrupt interrupt signal came from input-output devices connected external to processor these interrupts depend on external conditions
q segmentally lined and sprayed concrete linings tunnelsthe fundamental difference between segmentally lined tunnels and scl tunnels is that the
while designing the lug angles with the channel section what does quotthe force not acccounted for by the direct connection of memberquot
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