Related Questions

Which DOS command allows you to compress existing disks and to create new compressed volumes?
A DEFRAG
B DBLSPACE
C SCANDISK
D MSAV
E None of the above
The most efficient method of compressing air is to compress it
A Isothermally
B Adiabatically
C Isentropically
D Isochronically
For minimum work required to compress and deliver a quantity of air by multistage compression
A The compression ratio in each stage should be same
B The intercooling should be perfect
C The work-done in each stage should be same
D All of the above
Which one of the following functions can be used to concatenate array elements to form a single delimited string?
A explode()
B implode()
C concat()
D concatenate()
Which function is used to split a string into a series of substrings, with each string boundary is determined by a specific separator?
A break()
B divide()
C explode()
D md5()
Which one of the following preg PHP functions is used to take a string, and put it in an array?
A preg_destroy()
B preg_split()
C preg_unchain()
D preg_divide()
Which one of the following functions is used to search a string?
A preg_match
B preg_search
C preg_find
D preg_found
It will take john 4 days to string a certain fence. If Mary could string the same fence in 3 days, how long will it take them if they work together?
A 3 1/2 days
B 3 days
C 2 1/2 days
D 1 5/7 days
Assume that we have to convert “false” that is a non-string to string. The command that we use is (without invoking the “new” operator)
A false.toString()
B String(false)
C String newvariable=”false”
D Both false.toString() and String(false)
The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is
A $$\frac{{{\text{w}}l}}{{4{\text{d}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{4{\text{d}}}}$$
C $$\frac{{{\text{w}}{l^2}}}{{8{\text{d}}}}$$
D $$\frac{{{\text{w}}{l^2}}}{{16{\text{d}}}}$$

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