Multiple Choice Question: In a truss, when three members meet a joint, two of the members are parallel, and the joint carries no load, the third non-parallel member is a zero-force member.

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

Find the non-zero solution to the equation $3x^4 - 27x^3 = 0$.
A privateer discovers a merchantman 10 miles to leeward at 11:45 am and with a good breeze bears down upon her at 11 mph, while the merchant can only make 8 mph in her attempt to escape.
At what value of x will the function $f(x) = \dfrac{x - 4}{x + 2}$ is discontinuous?
A three-man jury has two members each of whom independently has a probability p of making the correct decision and a third member who flips a coin for each decision (majority rules).
How many 3-digit numbers greater than 300 can be made out from digits 0, 1, 2, 3, 4, 5, and 6 if repetition of digit is not allowed?
One bag contains 4 white balls and 3 black balls, and a second bag contains 3 white balls and 5 black balls.
In what time would Alberto, Brando and Carlo together do a work if Alberto alone could do it in 6 hours more, Brando alone in 1 hour more, and Carlo alone in twice the time?
Find $\displaystyle \sum_{n = 1}^5 S_n$ where $S_n = 2/n$.
The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the probability that at least 10 survive?
The point in the stress-strain test at which the material will have an appreciable elongation without any increase of load.
A factory is running at 80% efficiency with a fixed cost of P78,000.00, variable cost per unit of P130.00, selling price per unit of P416.00, and production capacity of 5000 units.
Compute the following: $\displaystyle \sum_{j = 1}^6 \left[ -3 + 5(j - 1) \right]$.
A decagon has how many diagonals?
z1UpedR-3 the numbers are odd and repetition of digit is not allowed.
If queries sent to a search engine arrive every 15 seconds on the average, what is the probability of waiting less than or equal to 30 seconds?