What is used to connect hose couplings with dissimilar threads?
a. Siamese
b. Adaptor
c. Fitting
d. Hose jacket
Ans: b. Adaptor
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Which of the following best describes ionic bonding?
A. one atom giving up some of its electrons to another atom B. two atoms exchanging a set of electrons C. two atoms sharing a set of electrons D. when two elements with same charge are held together by electrostatic forces E. none of the above
A pulsar is likely a
A) throbbing star in its death throes. B) black hole companion. C) spinning neutron star. D) binary star with a dark companion.
What is surface erosion and what role does it play in moving weathered materials?
What will be an ideal response?
Over 34,000 people died as a result of the ________ generated by the eruption of Krakatoa in 1883.
A. whitecap B. tsunami C. suzuki D. tidal wave E. roller