answer true and false$1.$ Engineering problem$-$solving approaches and ethical problem$-$solving strategies are comparable$\mathrm{.}2.$ In situations where there is insufficient information available, the line$-$drawing approach is frequently employed$\mathrm{.}3.$ There are three types of ethical problems: moral, conceptual, and factual$\mathrm{.}4.$ One of the advantages of using the line drawing approach is simple to use$\mathrm{.}5.$ Factual issues involve what is the current knowledge about a case$\mathrm{.}6.$ The safety of those who will be impacted by designs$/$products that engineers develop should be their priority$\mathrm{.}7.$ Engineers need to investigate and evaluate various design possibilities in order to guarantee design safety$\mathrm{.}8.$ Safety can be defined as the absence of potential danger or loss$\mathrm{.}9.$ The threshold level for risk can be considered as a level of accepted risks$\mathrm{.}10.$ A design needs to adhere to the requirements of recognized engineering practice$\mathrm{.}11.$ Competitive tendering is a method of allocating a project to a contractor and determining what price will be paid for it$,$ when there are a number of potential contractors$\mathrm{.}12.$ In competitive tendering, it is not normal for bids to be sealed$\mathrm{.}13.$ Clearly defining the goals and scope of a contract is an effective contract management strategy$\mathrm{.}14.$ Practices for contract management are carried out prior to a contract being signed are coming into force$\mathrm{.}15.$ Contract administration plan should have only very generic timeline.